Ismail, N.H., Aziran, A.F., Ab Hamid, M.R. and Al Mukhlas Fikri 2024. Development and Validation of Hypertension Educational e-Book for Children Aged 10 to 12 Years Old. Environment-Behaviour Proceedings Journal. 9, 28 (Mar. 2024), 3–9. DOI:https://doi.org/10.21834/e-bpj.v9i28.5855.