Compilation of speeches of national scientists Dioscoro L. Umali / edited by Edelwina C. Legaspi. - Bicutan, Taguig : National Academy of Science and Technology, c1994. - 142 pages : illustrations ; 22 cm ISBN: 9718538232 Subjects--Topical Terms: Speeches, Addresses, etc. LC Class. No.: PN6121 / C73 1994