Mariyani, Patriani, H. , Novitawati, E. , Lestari, I.M. and Mistaria 2025. The Impact of Anaemia Prevention Apps on Sleep Quality and Learning Concentration Among Female Junior High School Students. The Malaysian Journal of Nursing (MJN). 16, Supplementary 2 (Jun. 2025), 118-125. DOI:https://doi.org/10.31674/mjn.2025.v16isupp2.014.