1. ‏‫‭‬‭How to improve workers' education: a collection of articles on methods and techniques previously published in Labour Education.

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: کارگران,آموزش دیداری و شنیداری, -- آموزش

Classification :
‏‫‭‭
LC
۵۰۱۵ ‏‫‭‭
/
د
۷
ھ
۲ ۱۳۵۵