Welcome to Volume 12, Number 4 of TOJDE


From Editor


ABSTRACT
TOJDE appears on your screen now as Volume 12, Number: 4. In this issue it publishes 5 notes for Editor, 10 articles, 2 book reviews. And this time, 33 authors from 10 different countries are placed. These published articles are from Bangladesh, Ethiopia, India, Malaysia, Nigeria, Pakistan, Saudi Arabia, Turkey, UAE and USA.

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