Volume 6, Issue 1, June 2021, Pages 137-154
10.22049/cco.2020.26751.1138
Z. Du; A. Jahanbai; S. M. Sheikholeslami
Volume 2, Issue 2, September 2017, Pages 99-117
10.22049/cco.2017.25949.1059
Ivan Gutman; Ahmed M Naji; Nandappa D Soner