[1] Abou-El-Ata, M. O., & Kotb, K. A. M. (1997). Multi-item EOQ inventory model with varying holding cost under two restrictions: a geometric programming approach. Production planning and control, 8(6), 608-611.
[2] Bit, A. K. (2004). Fuzzy programming with hyperbolic membership functions for multiobjective capacitated transportation problem. Opsearch, 41(2), 106-120.
[3] Ben-Daya, M. A., & Raouf, A. (1994). Inventory models involving lead time as a decision variable. Journal of the operational research society, 45(5), 579-582.
[4] Bortolan, G., & Degani, R. (1985). A review of some methods for ranking fuzzy subsets. Fuzzy sets and systems, 15(1), 1-19.
[5] Beightler, C., & Phillips, D. T. (1976). Applied geometric programming. John Wiley & Sons.
[6] Biswal, M. P. (1992). Fuzzy programming technique to solve multi-objective geometric programming problems. Fuzzy sets and systems, 51(1), 67-71.
[7] Chen, C. K. (2000). Optimal determination of quality level, selling quantity and purchasing price for intermediate firms. Production planning and control, 11(7), 706-712.
[8] Chuang, B. R., Ouyang, L. Y., & Chuang, K. W. (2004). A note on periodic review inventory model with controllable setup cost and lead time. Computers and operations research, 31(4), 549-561.
[9] Duffin, R. J. (1967). Geometric programming-theory and application (No. 04; QA264, D8.). New York Wiley196278 p.
[10] Duffin, R. J., Peterson, E. L. & Zener, C. (1966). Geometric programming theory and applications. Wiley, New York.
[11] Liang, Y., & Zhou, F. (2011). A two-warehouse inventory model for deteriorating items under conditionally permissible delay in payment. Applied mathematical modelling, 35(5), 2221-2231.
[12] Das, K., Roy, T. K., & Maiti, M. (2000). Multi-item inventory model with quantity-dependent inventory costs and demand-dependent unit cost under imprecise objective and restrictions: a geometric programming approach. Production planning and control, 11(8), 781-788.
[13] Das, S. K., & Islam, S. (2019). Multi-objective two echelon supply chain inventory model with lot size and customer demand dependent purchase cost and production rate dependent production cost. Pakistan journal of statistics and operation research, 15(4), 831-847.
[14] Hariga, M., & Ben-Daya, M. (1999). Some stochastic inventory models with deterministic variable lead time. European journal of operational research, 113(1), 42-51.
[15] Harri, F. (1913). How many parts to make at once factory. Mag. Mannage, (10), 135-136.
[16] Islam, S. (2016). Multi-objective geometric programming problem and its applications. Yugoslav journal of operations research, 20(2). http://www.yujor.fon.bg.ac.rs/index.php/yujor/article/view/353
[17] Islam, S. (2008). Multi-objective marketing planning inventory model: A geometric programming approach. Applied mathematics and computation, 205(1), 238-246.
[18] Kotb, K. A., & Fergany, H. A. (2011). Multi-item EOQ model with both demand-dependent unit cost and varying leading time via geometric programming. Applied mathematics, 2(5), 551-555.
[19] Maiti, M. K. (2008). Fuzzy inventory model with two warehouses under possibility measure on fuzzy goal. European journal of operational research, 188(3), 746-774.
[20] Ouyang, L. Y., Yeh, N. C., & Wu, K. S. (1996). Mixture inventory model with backorders and lost sales for variable lead time. Journal of the operational research society, 47(6), 829-832.
[21] Ouyang L., & Wu K. (1998). A min-max distribution free procedure for mixed inventory model with variable lead time. Int J Pro Econ, 56(1), 511-516.
[22] Mandal, N. K., Roy, T. K., & Maiti, M. (2005). Multi-objective fuzzy inventory model with three constraints: a geometric programming approach. Fuzzy sets and systems, 150(1), 87-106.
[23] Mandal, N. K., Roy, T. K., & Maiti, M. (2006). Inventory model of deteriorated items with a constraint: A geometric programming approach. European journal of operational research, 173(1), 199-210.
[24] Sarkar, B., Gupta, H., Chaudhuri, K., & Goyal, S. K. (2014). An integrated inventory model with variable lead time, defective units and delay in payments. Applied mathematics and computation, 237, 650-658.
[25] Sarkar, B., Mandal, B., & Sarkar, S. (2015). Quality improvement and backorder price discount under controllable lead time in an inventory model. Journal of manufacturing systems, 35, 26-36.
[26] Shaikh, A. A., Bhunia, A. K., Cárdenas-Barrón, L. E., Sahoo, L., & Tiwari, S. (2018). A fuzzy inventory model for a deteriorating item with variable demand, permissible delay in payments and partial backlogging with shortage follows inventory (SFI) policy. International journal of fuzzy systems, 20(5), 1606-1623.
[27] Zadeth, L. A. (1965). Fuzzy sets. Information and control, 8, 338-353.
[28] Zimmermann, H. J. (1985). Applications of fuzzy set theory to mathematical programming. Information sciences, 36(1-2), 29-58.
[29] Garai, T., Chakraborty, D., & Roy, T. K. (2019). Multi-objective inventory model with both stock-dependent demand rate and holding cost rate under fuzzy random environment. Annals of data science, 6(1), 61-81.
Shaikh, A. A., Panda, G. C., Khan, M. A. A., Mashud, A. H. M., & Biswas, A. (2020). An inventory model for deteriorating items with preservation facility of ramp type demand and trade credit. International journal of mathematics in operational research, 17(4), 514-551