Forest conservation a manual for elementary school teachers

Bibliografiset tiedot
Yhteisötekijät:	University of the Philippines (Los Banos). College of Forestry, Department of Forestry Extension
Aineistotyyppi:	Kirja
Kieli:	English
Julkaistu:	College, Laguna The Department 1971.
Aiheet:	Forest conservation > Study and teaching.