na INLIS000000000002734 20241217035851 0010-0224000426 ACID sulphate soils in the humid tropic : ecological aspects of their development / O. Klepper; Gt. Chairuddin; and Gt. M. Hatta. O. Klepper; Gt. Chairuddin; And Gt. M. Hatta. Netherlands : Land and Water Research Group/LAWOO, 1992 iv, 100 p. 25 cm. 631.415.2 ACI SOIL, TANAH ACID SULPHATES HUMID TROPICS ECOLOGY TANAH SUFAT MASAM SUB TROPIKA EKOLOGI. 241217 0 979-8253-02-9 BBSIPADI 086/1994