Volume 26, Issue 4, December 2022, Pages 905-921
10.22059/ier.2022.90664
Ibrahim Sambo Farouq; Nuraddeen Umar Sambo
Volume 21, Issue 2, June 2017, Pages 297-320
10.22059/ier.2017.62105
Tsangyao Chang; Omid Ranjbar; Charl Jooste