na INLIS000000000002905 0010-0121001271 Grassland-based upland farms a study on fire occurence in Isabela Damasa Magcale-Macandong Canberra The Australian National University 1996 14 p. : ill ; 30 cm 633.2 633.2 IMPERATA GRASSLAND SOIL CONSERVATION INDONESIA KONSERVASI TANAH LAND CONSERVATION. 4073 4073