Pangangalaga sa kalikasan pagpapakita ng kabayanihan

Détails bibliographiques
Publié dans:	Liwayway (06 May. 2019), 16-17
Auteur principal:	Reyes, Petronilo D., Jr
Format:	Article
Langue:	Filipino
Publié:	2019
Sujets:	Environmental protection Solid waste management