[Proceedings of a] seminar-workshop on non-metallic mineral resources development, Nayong Kalikasan, Caliraya, Laguna, Nov. 8-9, 1978

Bibliographic Details
Corporate Authors: Philippine Council for Agricultural Resources Research, Seminar-Workshop on Non-metallic Mineral Resources Development (1st : Laguna : 1978) III.Title
Format: Book
Language:English
Published: [S.l. s.n. 1979n]
Subjects: