Saymo, Apolinario S. creator Marcos, Nelia V. text xx Makati City Groundwater Publications and Research Corp. c2001 2001 monographic eng 271, [2] p. ill. Apolinario S. Saymo ; with a portion contributed by Nelia V. Marcos. Oral communication Study and teaching (Higher) M 808.5 Sa99 2001 971725060X DML 020529 20220331062941.0 UPD-00000278788