“INFLUENCE OF DYSMENORRHEA GYMNASTIC ON MENSTRUAL PAIN TO 8TH GRADE STUDENTS OF SMPN 2 SOOKO DISTRICT MOJOKERTO”. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS), vol. 2, no. 01, May 2018, pp. 12-19, https://doi.org/10.29082/IJNMS/2018/Vol2/Iss01/80.