TY  - THES
T1  - The impacts of problems in managing and promoting cave destinations in assessing the state of spelunking in the Philippines a case study  of Biak-Na-Bato National Park in Bulacan
A1  - Cansino, Abegale B.
LA  - English
UL  - https://tuklas.up.edu.ph/Record/UP-99796217609243598
CN  - LG 993.5 2004 T6 C36
KW  - Caves : Philippines.
ER  -