Ooi, A. C. Limestone resource investigation of Gunong Temelang, Perak / A. C. Ooi - Ipoh: Jabatan Penyiasatan Kajibumi, 1979 - 23 p. - Report of the Industrial Minerals Division; no.Im 3/1979 . Subjects--Topical Terms: Limestone--PerakInvestigative reporting--Perak