शैक्षिक तकनीकी के मूल तत्व , Elements of Educational Technology and Management
' शरतेन्दुश ' सत्यनारायण दुबे , Sartundu ' Sataynarayana Duby
शैक्षिक तकनीकी के मूल तत्व , Elements of Educational Technology and Management - Ialbadha Saradha Pustak Bahwan - Page No.288 HB
शैक्षिक तकनीकी के मूल तत्व , Elements of Educational Technology and Management - Ialbadha Saradha Pustak Bahwan - Page No.288 HB