Mat Idera, I. H., Z. Abdullah, and S. Z. Md Sharif. “Enhancing Instructional Effectiveness through Digital Learning Objects: Voices from Contract of Service (COS) Teachers in Malaysia”. Environment-Behaviour Proceedings Journal, vol. 10, no. SI33, June 2025, pp. 129-33, doi:10.21834/e-bpj.v10iSI33.7076.