THE GIVING OF STRETCHING EXERCISE TO CHANGES IN LEVELS OF DYMENORRHES IN ADOLESCENT FEMALE CLASS VIIAT SMPN 1 PRAMBON, NGANJUK DISTRICT. IJNMS [Internet]. 2023 Sep. 8 [cited 2025 Jul. 31];7(2):204-7. Available from: https://ijnms.net/index.php/ijnms/article/view/470