TY  - BOOK
AU  - 
TI  - Ageological investigation on the limestone hills of G Keroh G Merawan G Karang Besar and G karang Kecil Simpang Pulai area Kinta district Perak (RAK F2)
PY  - 1977///
CY  - Ipoh Perak
PB  - Jabatan Penyiasatan Kajibumi Malaysia
ER  -