TY  - BOOK
AU  - Duka, Cecilio D. 
TI  - Public international law simplified
SN  - 9786210429480    Bp.
AV  - KZ 1238.P45 D85 2021 LAW 
PY  - 2021///.
CY  - Manila
PB  - Rex Book Store, 
KW  - International law--Study and teaching
ER  -