Philippine standard geographic code

Manylion Llyfryddiaeth
Awdur Corfforaethol:	Philippines. National Economic and Development Authority
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Manila NEDA 1977-1978.
Pynciau:	Geographical location codes. Geographical positions > Philippines. Grids (Cartography) Geography, Mathematical.