I Gede Juli Suwirtana Putra, I Wayan Santyasa, and I Gde Wawan Sudatha, “THE EFFECT OF PROBLEM BASED FLIPPED LEARNING ON HISTORICAL CONSCIOUSNESS AND CRITICAL THINKING SKILL OF STUDENTS AT SMK NEGERI 1 DENPASAR ”, MORFAI, vol. 6, no. 4, pp. 6405–6414, Jun. 2026.