Achievement and perceived effectiveness of Filipino as a medium of instruction among Grade 11 students in pag-aaral ng kasaysayan at lipunang Pilipino
2026 IJRSE – Volume 15 Issue 17 Available Online: 23 July 2026 Author/s: De Mesa, Alvin R.* Leyte Normal University, Philippines (ar_demesa@ymail.com) Gerilla, Nicole L.…