TY  - GEN
AU  - Usham, Arnold Luwang
TI  - Research Methodology in Geology
SN  - 9788181162014(hb)
U1  - 550.72 USH/Res 
PY  - 2016///
CY  - New Delhi
PB  - Maxford Books
N1  - Includes bibliography and index
ER  -