Casingal C. Competencies and Professional Development Needs of Philippine Alternative Learning System (ALS) Teachers: Strategies, Challenges, and Learning Facilitation Insights. SAJAAS [Internet]. 2025 Apr. 15 [cited 2025 Apr. 27];5(1):1-20. Available from: https://sajaas.basc.edu.ph/index.php/sajaas/article/view/64