Proceedings [of the two symposia sponsored by the PHILAAS] - Campos, Paulo C.; Velasco, Jose R.; Philippine Association for the Advancement of Science ([Manila s.n., 1970)
Pt.1. Symposium on dichlorodiphenyltrichloroethane (DDT) -- Pt.2. Sympoisum on scientific and technological education -- PHILAAS business meeting, 2:00-4:00 p.m., Dec. 3, 1970.
Keywords: DDT (Insecticide).; Science -- Study and teaching -- Philippines; Technical education -- Philippines