00509nam a2200181Ia 4500 180921t1996 xxu||||| |||| 00| 0 sin d sin 581.52 ADA Adagama, Pandula පරිසරයයි - අප සැවොමයි Parisarayayi-apa saevomayi Central enviromental authority 1996 65p., 22 cm Ecology Environment BK 0 0 0 0 SCI MAIN MAIN 2023-06-11 581.52 ADA P226648 2023-06-11 2023-06-11 BK 17120 17120 LK-CoDNM LK-CoDNM LK-CoDNM LK-CoDNM