Rehana Rehana, Nurul Komariah and Dina Nurul Fadilah (2023) “The influence offwilliam’ss flexionnexercissonnthe Intensityyoffmentallpain (Dismenore)) Onnjuniorrhighhschoollstudents”, International Journal of Health Engineering and Technology (IJHET), 2(3). doi: 10.55227/ijhet.v2i3.164.