A study of Cu, MN, Fe, and Zn metal concentrations in the sediments of Barangay Matina Aplaya coastal areas
Benthic algae along the selected littoral zones of Davao City and vicinity with proposed learning module of these algae : a pioneer study
The effect of remedial (English 10R) on the departmental-achievement test scores of college freshmen students in English II : Ateneo de Davao University, SY 1989-90