TY  - GEN
T1  - Wujud pangkalan data atasi lambakan bahan mentah
A1  - Mamat, Amir
PB  - Harian Metro
YR  - 2020
UL  - http://discoverylib.upm.edu.my/discovery/Record/oai:myagric.upm.edu.my:15988
ER  -