Search Results       Your search for [subject]Mines and mineral reosurces -- Philippines -- Congresses returned 1 record.           [Proceedings of a] seminar-workshop on Non-metallic mineral resources development, Nayong Kalikasan, Caliraya, Laguna, Nov. 8-9, 1978 _ Seminar-Workshop on On-metallic Mineral Resources Development (1st : Laguna : 1978). [S.l.: s.n., 1979. Subject: Nonmetallic minerals -- Philippines -- Congresses; Mines and mineral reosurces -- Philippines -- Congresses.          Add to Book Cart Relevance: 31.32%