N. Dzulkalnine, M. N. A. Azman, N. A. Sumardi, and N. Qudus, “Towards Quality Education: Physical Notes VS Digital Notes in Health Expectancy, Eco-Friendly Environment and Notes Accessibility Conditions”, IMBR, vol. 15, no. 3(SI), pp. 67–77, Sep. 2023, doi: 10.22610/imbr.v15i3(SI).3459.