Sondang Sidabutar 2023. RELATIONSHIP BETWEEN KNOWLEDGE LEVEL AND ADOLESCENT ATTITUDES TOWARDS FAST FOOD CONSUMPTION BEHAVIOR OF CLASS (X) STUDENTS AT TAMAN SISWA HIGH SCHOOL (TAMSIS) PEMATANGSIANTAR. MORFAI JOURNAL. 2, 4 (Mar. 2023), 890–895. DOI:https://doi.org/10.54443/morfai.v2i4.716.