International Journal of Operational Research (IJOR)

International Journal of Operational Research

2021 Vol.41 No.2

Pages Title and author(s)
151-167New modified ratio type estimator of the population mean using the known median of the study variable
S.K. Yadav; Dinesh K. Sharma; S.S. Mishra
DOI: 10.1504/IJOR.2021.115625
168-195Bargaining in a closed-loop supply chain with consumer returns
Yertai Tanai; Emmanuel Dechenaux; Eddy B. Patuwo; Alfred L. Guiffrida
DOI: 10.1504/IJOR.2021.115624
196-217Energy-awareness scheduling of unrelated parallel machine scheduling problems with multiple resource constraints
Bing-Hai Zhou; Jiaying Gu
DOI: 10.1504/IJOR.2021.115623
218-225A linear algorithm for a minimax location of a path-shaped facility with a specific length in a weighted tree network
Abdallah W. Aboutahoun; Fatma El-Safty
DOI: 10.1504/IJOR.2021.115626
226-243Developing a new chance constrained modified ERM model to measure performance of repair and maintenance groups of IRALCO
Mohammad Izadikhah
DOI: 10.1504/IJOR.2021.115627
244-269Bounding strategies for obtaining a lower bound for N-job and M-machine flowshop scheduling problem with objective of minimising the total flowtime of jobs
S. Saravana Kumar; C. Rajendran; Rainer Leisten
DOI: 10.1504/IJOR.2021.115634
270-281Worm optimisation algorithm to minimise the makespan for the two-machine scheduling problem with a single server
Jean-Paul Arnaout
DOI: 10.1504/IJOR.2021.115628
282-298A review and classification of heuristic algorithms for the inventory routing problem
Stella Sofianopoulou; Ioannis Mitsopoulos
DOI: 10.1504/IJOR.2021.115630