Dilangalen AK, Adam ZM. ECONOMIC VIABILITY AND ECOLOGICAL FRIENDLINESS OF MADRASAH EDUCATIONAL INSTITUTION IN REGION XII, PHILIPPINES. pijss [Internet]. 2019 Feb. 1 [cited 2025 Dec. 5];4(3):813-20. Available from: http://www.grdspublishing.org/index.php/people/article/view/712