Validitas Media Digital Book Bilingual Fisika Berbasis CLIS Berbentuk Flip PDF pada Materi Perpindahan Kalor. NCRCS-SINESIA [Internet]. 2026 May 22 [cited 2026 Sep. 9];2(1):705-19. Available from: https://conference.sinesia.id/ncrcs-sinesia/article/view/153