Custodio, Rhomalene S, Tendencies on aggression among Grade 7 students of Laboratory High School of University of Rizal System - Tanay / Rhomalene S. Custodio, Erick S. Salazar, Rufilo N. Ty. - 2012. - xxi, 93 leaves ; illustrations : 28 cm Thesis Includes bibliographical references. Subjects--Corporate Names: University of Rizal System--StudentsSubjects--Topical Terms: Bullying in schools--Philippines--Tanay (Rizal)LC Class. No.: LB 3013.34.P6 / C969 2012