TY - BOOK AU - Ong,Wee Seck ED - Malaysia. TI - A geological investigation on the limestone hills of G.Keroh, G. Merawan, G. Karang Besar and G. Karang Kecil, Simpang Pulai Area, Kinta District, Perak PY - 1977/// CY - Ipoh PB - Ibu Pejabat Penyiastan Kajibumi KW - Limestone KW - Perak KW - Mountains KW - Investigative reporting ER -