R. Rivandi, F. . Ainun Hepriyadi, S. . Rahmawati, D. Azza Pambudi, and A. . Yansyah, “A Analysis of 21st-Century Teacher Competency with TPACK (Technological Pedagogical Content Knowledge) in the Office Management and Business Services Expertise Program throughout Surabaya.: english”, isc-beam, vol. 2, no. 1, Aug. 2024.