Effectiveness Of Risk Reduction (RR) And Risk Avodance (RA) Approach To Reduce Risk Behaviour In The Senior High School Student In Denpasar City And Palangkaraya City Ni Komang Yuni Rahyani, Asih Rusmini, Gusti Ayu Marhaeni, Ni Nyoman Suindri - Ni Nyoman, Suindri