Susilawati, Endang, Syarif Zen Yahya, and Wenny F Simanjuntak. 2019. “FACTORS INFLUENCE THE BEHAVIOR OF BULLYING AT THE STUDENTS OF SMK PGRI 8 MEDAN IN 2015”. Jurnal Ilmiah PANNMED (Pharmacist, Analyst, Nurse, Nutrition, Midwivery, Environment, Dentist) 10 (2):209-15. https://doi.org/10.36911/pannmed.v10i2.292.