Oktavia, O.; Aprianif, A.; Kurniawati, H. .; Marzuqi, M. S. .; Tatianningsih, T.; Arobiah, Z. M. . Development and Validation of a Belonging-Supportive Deep Learning Environment Instrument for Evaluating Flipped Learning Environments in Higher Education. IJBLE 2026, 7, 1185-1194.