Kaliyaperumal, Raji, et al. “The Learning Effects of Flipped Classroom on Nursing student’s Vital Signs Knowledge, Skill, and Satisfaction: Post-Test Only Control Group Study”. Edelweiss Applied Science and Technology, vol. 8, no. 5, Sept. 2024, pp. 624-32, doi:10.55214/25768484.v8i5.1727.