Protein Intake, Nutritional Status, and Family Socioeconomic Relationships with Learning Achievement of Children Aged 13-15 Years at Nabil Husein Junior High School Samarinda Year 2022. J. Sains. Kes. 2024;5(1):50-55. Accessed April 24, 2025. https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/348