Trivedi, P. R.
Environmental problems : impact assessment / P. R. Trivedi, Gurdeep Raj - New Delhi : Akashdeep Publishing House, 1992 - [4], 283p. : ill., tables ; 23 cm.
8171582249
স্বরলিপি।
Musical notation.
363.7 / ENV
Environmental problems : impact assessment / P. R. Trivedi, Gurdeep Raj - New Delhi : Akashdeep Publishing House, 1992 - [4], 283p. : ill., tables ; 23 cm.
8171582249
স্বরলিপি।
Musical notation.
363.7 / ENV