Laydia, Pearl Hyacinth C. Bullying and disruptive bahavior of primary school learners / Pearl Hyacinth C. Laydia, jenifer B. Manambay, and Baby Joy B. Padilla - Digos City: UMDC December 2018. - 57 pages; 30 cm. Subjects--Topical Terms: Education--Undergraduate thesis.--Beed Dewey Class. No.: UT 1158 / L42