O. Oktavia, A. Aprianif, H. . Kurniawati, M. S. . Marzuqi, T. Tatianningsih, and Z. M. . Arobiah, “Development and Validation of a Belonging-Supportive Deep Learning Environment Instrument for Evaluating Flipped Learning Environments in Higher Education”, IJBLE, vol. 7, no. 2, pp. 1185-1194, Jul. 2026.