Liper, Psykie Dawn B. Internet addiction and academic performance of Grade 12 Students / Psykie Dawn B. Liper, Jan Leah B. Purisima, and Grace S. Dulos - Digos City: UMDC December 2018. - 72 pages; 30 cm. Subjects--Topical Terms: Education--Undergraduate thesis.--English Dewey Class. No.: UT 1149 / L76