Taufik, T., Winarno, M.E. , Hariadi, I., Yudasmara, D.S. and Riyad Fadhli, N. 2024. Exploring the validity and reliability of Active Motor Card: A Comprehensive Assessment of Gross Motor Development and Physical Fitness in Children Aged 6-9 Years. Retos. 54, (May 2024), 100–105. DOI:https://doi.org/10.47197/retos.v54.102813.