Yusuf b Bujang,Mohd Zailon b Ramli Report of hydrogeological investigation at Kampung Pelapi Sibuti subdistrict Miri division Sarawak : RAK (E13) - GSKL 037/25/345 - Kuala Lumpur Jabatan Mineral Dan Geosains Malaysia 1998 - ill:12p. 29.8 cm