Volume 39, Issue 4, July and August 2020, Pages 223-233
10.30492/ijcce.2020.37862
Tayebeh Mousanejad; Behrouz Vahid
Volume 29, Issue 3, September 2010, Pages 13-17
10.30492/ijcce.2010.6507
Wang Liyong; Han Yuanyuan; Ding Shiwen