Ismail b Tawnie,Yusuf b Bujang Report hydrogeological investigation at Kampung Siwak Jaya Bakam Miri division Sarawak : RAK (E13) - GSKL 037/26/351 - Kuala Lumpur Jabatan Minera; Dan Geosains Malaysia 2001 - ill:20p. 29.8 cm