Masood Mafooz, a Muhammad Tahir Nazeer QNMBHBM ud DMZ ul H. Measuring Physical Fitness among Secondary School Students of ages between 10 to 15 Years. Opción [Internet]. 1 [citado 6 de diciembre de 2025];360:3451-70. Disponible en: http://www.produccioncientificaluz.org/index.php/opcion/article/view/32971