TY - BOOK AU - Das, Chandan Surabhi AU - Pramanik, Tapas Kumar TI - Bhugathanik prakriya o bhumirup SN - 8193823400 U1 - 551 PY - 2019/// CY - Kolkata PB - Enova KW - Geography KW - Geotectonics KW - Geomorphology ER -