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Reserves and potential exploitation of massive quartz in Mukim Relau Bandar Baharu Kedah - MX(N) 11/1978 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1978 - ill:12p. 29.8 cm
Reserves and potential exploitation of massive quartz in Mukim Relau Bandar Baharu Kedah - MX(N) 11/1978 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1978 - ill:12p. 29.8 cm