P C Aw & A C Ooi
Quarries sanpits and brickworks operating in 1976 in Peninsular Malaysia (RAK F2) - MX(N) 9 1977 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1977 - ill:28p. 29.8 cm Figure 1:Location of quarries sand pits brickworks and kaoline mine in Kedah & Perlis
Quarries sanpits and brickworks operating in 1976 in Peninsular Malaysia (RAK F2) - MX(N) 9 1977 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1977 - ill:28p. 29.8 cm Figure 1:Location of quarries sand pits brickworks and kaoline mine in Kedah & Perlis