Carolino, W. P., Que, E. N., Salubayba, T. M., & Maligalig, J. P. F. (2021). Effects of learning objects on technical-vocational-livelihood students' understanding of and attitude toward computer systems servicing. College of Education, University of the Philippines Diliman.

Carolino, Wilbert Patlonag, Elenita N. Que, Teodora M. Salubayba, and Jon Paul F. Maligalig. Effects of Learning Objects on Technical-vocational-livelihood Students' Understanding of and Attitude Toward Computer Systems Servicing. Quezon City: College of Education, University of the Philippines Diliman, 2021.

Carolino, Wilbert Patlonag, et al. Effects of Learning Objects on Technical-vocational-livelihood Students' Understanding of and Attitude Toward Computer Systems Servicing. College of Education, University of the Philippines Diliman, 2021.