Singh, B. creator Singh, A.P. text New Delhi Made Easy Publications 2016 10th rev. & improved ed monographic 592p.: 28cm(pbk) ill.,maps by B.Singh [and ] A.P.Singh 000 9789383643707 1516EN07 B-608346-375 ENG-114920 Asian Book Centre/Ven dpl DBAD/PUB 20160225105239.0