Welcome to Volume 15, Number 1 of TOJDE

From Editor

Welcome to the Volume 15 Number: 1 of TOJDE! In this issue, One Note for editor and 15 articles of 31 authors from 11 different countries around the world have been published. These published articles are arrived to the TOJDE from, Argentina, Greece, India, Indonesia, Jordan, Malaysia, Nigeria, Pakistan, Saudi Arabia, Turkey and USA.