1. Pratama, N., Mintarto, E., and Kusnanik, N., The influence of ladder drills and jump rope exercise towards speed, agility, and power of limb muscle, IOSR J. Sports Phys. Educ., 2018, vol. 5, no. 1, p. 22.
2. Moradi, A., Sadri Damirchi, E., Narimani, M., et al., Association between physical and motor fitness with cognition in children, Medicina, 2019, vol. 55, no. 1, p. 7.
3. Spiteri, T., McIntyre, F., Specos, C., and Myszka, S., Cognitive training for agility: the integration between perception and action, Strength Cond. J., 2018, vol. 40, no. 1, p. 39.
4. Robert, S.K.N., Cheung, C.W., and Raymond, K.W.S., Effects of 6-week agility ladder drills during recess intervention on dynamic balance performance, J. Phys. Educ. Sport, 2017, vol. 17, no. 1, p. 306.
5. Gomez-Pinilla, F. and Hillman, C., The influence of exercise on cognitive abilities, Compr. Physiol., 2013, vol. 3, no. 1, p. 403.