Gregorio, Maria Sheila R. “Technology and Livelihood (TLE) Instruction of Technical Vocational and Selected General Secondary Schools in Catanduanes”. International Journal of Learning, Teaching and Educational Research 15, no. 4 (April 30, 2016): 69–74. Accessed April 21, 2026. http://www.ijlter.net/index.php/ijlter/article/view/945.