TY  - JOUR
T1  - Callao  Cave  reopoens after  3 yrs
JF  - Manila Times
A1  - Domingo, Leander C.
YR  - 2023
UL  - https://tuklas.up.edu.ph/Record/IPN-00000943386
KW  - Callao Cave  (Penablanca,  Cagayan)
ER  -