Utami Arridho, Qori Nur and Maulana, Muchsin (2019) RELATIONSHIP OF ATTITUDE OF KNOWLEDGE AND ROLE OF TEACHERS WITH CLEAN AND HEALTHY LIFE BEHAVIOR (PHBS) IN CLASS VII STUDENTS IN SMP NEGERI 3 SATUNGUNGAPARA ROOF OF THE DISTRICT OF WARUNGKIARA SUKABUMI DISTRICT 2019. Bachelor thesis, Universitas Ahmad Dahlan.