TY  - BOOK
AU  - Ooi, A. C.
ED  - Malaysia.
TI  - Preliminary investigation of silica sand deposits, Johore
PY  - 1981///
CY  - Ipoh
PB  - Jabatan Penyiasatan Kajibumi
KW  - Sand, Glass
KW  - Johor
KW  - Investigative reporting
ER  -