Novencido, V. (2026) “The Level of Spelling Proficiency Skills of Grade 2 Learners in Darigayos Elementary School: Master V.I.N.C.E.’s Interactive Game-Based Materials”, International Journal of Sustainability and Advanced Integrated Research, 2(2), pp. 2728–2735. doi:10.65339/ijsair.V2.I2.502.