R. R. Saputra, Erna Retna Safitri, and D. Desi, “Needs Analysis for a Guided Imquiry Based Learning Management System on the Topic of ‘Matter and Its Changes’ at SMKN 1 Pedamaran Timur”, IJEVSS, vol. 5, no. 04, pp. 4970-4987, Nov. 2026.