Gohel, Bhavika P., et al. “Immediate Effect of Muscle Energy Technique and Proprioceptive Neuromuscular Facilitation Stretching on Calf Muscle Flexibility Among University Level Recreational Athletes – A Randomized Clinical Trial”. INTI Journal, vol. 2024, July 2024, https://iuojs.intimal.edu.my/index.php/intijournal/article/view/494.