Welcome to Volume 15, Number 2 of TOJDE

From Editor

Welcome to the volume 15 number: 1 of TOJDE, In this issue, 18 articles of 34 authors from 9 different countries around the world have been published. These published articles are arrived to the tojde from, bBangladesh, Brunei, Greece, India, Indonasia, Malaysia, Republic Of Korea, Turkey and USA.