P C Aw
Coal investigation within the tertiary sediments in Chuping Perlis adjacent to the Thai Malaysian border ( C1 ) - C 553 AWP - IM 9/1982 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1982 - ill:29p. 29.8 cm
Coal investigation within the tertiary sediments in Chuping Perlis adjacent to the Thai Malaysian border ( C1 ) - C 553 AWP - IM 9/1982 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1982 - ill:29p. 29.8 cm