Volume 24, Issue 2, May 2020, Pages 393-414
Khalid Mahmood Zafar
Volume 22, Issue 4, October 2018, Pages 1113-1137
Ghulam Ali; Khalid Zaman; Talat Islam
Volume 21, Issue 2, June 2017, Pages 267-299
Mohammad Sharif Karimi; Andrzej Cieślik
Volume 17, Issue 3, September 2013, Pages 81-103
Shri Prakash; Rekha Sharma