Chaddha, Yograj ed.
Hindi vigyanik aur tachniki parkashan nidashika 1966-1980 - New Delhi Vaigyanik Avom Audyogik Anusandhan Paris 1983 - 336p.
RR 016.5 HIN
Hindi vigyanik aur tachniki parkashan nidashika 1966-1980 - New Delhi Vaigyanik Avom Audyogik Anusandhan Paris 1983 - 336p.
RR 016.5 HIN