Sulong Enjop
Groundwater investigation in hard rocks exploration test well drilling and constructruction Debak Sri Aman division Sarawak volume 11 RAK (E1 / E11) - GSKL 422/7 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1991 - ill:89p. 29.8 cm
Groundwater investigation in hard rocks exploration test well drilling and constructruction Debak Sri Aman division Sarawak volume 11 RAK (E1 / E11) - GSKL 422/7 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1991 - ill:89p. 29.8 cm