Author Details

Danh, Pham Hong, Department of Mathematics, University of Economics of HoChiMinh City, Viet Nam



ISSN: 1229-1595 (Print), 2466-0973 (Online)

(51767) 7 Kyungnamdaehak-ro, Masanhappo-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea