Ang libangang duplo manga sarisaring paghahanay at paglalabas ng mga pangangatwiran at pagsasanggalan [microform].
| מחבר ראשי: | |
|---|---|
| פורמט: | Visual Material |
| יצא לאור: |
Quezon City
Photoduplication Service, University of the Philippines Library
1976.
|