Lapuran Kajian Pembangunan Pertanian Zon Sg. Ranggam Sg. Durian & Sg. Bangsi, Perak D. R. - Terhad - Kuala Lumpur Jabatan Pengairan dan Saliran Malaysia [date of publication not identified] - m/surat, illust. tinggi (cm) - Soil survey Report No.3 . note Draft Final Report Subjects--Topical Terms: SUBJECT.