Ab Nizar Embi,Teoh Lay Hock
Directory of construction sand/gravel producers in peninsular Malaysia 1986 - IM 4/1988 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1988 - ill:35p. 29.8 cm
Directory of construction sand/gravel producers in peninsular Malaysia 1986 - IM 4/1988 - Ipoh Perak Jabatan Penyiasatan Kajibumi Malaysia 1988 - ill:35p. 29.8 cm