B. D. Bhatt, Ravi Prakash

Kanishka Publishers Distributors 1994 Modern encyclopaedia of educational technology

set , 1 , 2 , 3 , 4

所蔵館3館

G.P. Mishra, Ravi P. Rai, B.K. Bajpai

Giri Institute of Development Studies [1984?]

所蔵館2館