TY  - JOUR
T1  - DENR monitoring mine tunnel collapse
JF  - Manila Bulletin
A1  - Ruiz, Ellalyn
LA  - English
YR  - 2012
UL  - https://tuklas.up.edu.ph/Record/IPN-00000210325
KW  - Paje, Ramon Jesus P.
KW  - Mining accidents
KW  - Philippines. Department of Environment and Natural Resources
ER  -