Aw, P. C. Brick clay investigation near Labis, Johore / by P. C. Aw - Ipoh : Jabatan Penyiasatan Kajibumi, 1980 - 26 p. - Report of the Industrial Minerals Division; no.Im 13/1980 . Subjects--Topical Terms: Bricks--JohorInvestigative reporting--Johor