THE THE EFFECT OF ABDOMINAL STRETCHING EXERCISE ON DECREASING THE PAIN INTENSITY OF DYSMENORRHEA IN NURSING DEPARTMENT STUDENTS IN STIKES MANDALA WALUYA KENDARI: ABDOMINAL STRETCHING EXERCISE. INDONESIAN JOURNAL OF HEALTH SCIENCES RESEARCH AND DEVELOPMENT (IJHSRD), v. 4, n. 1, p. 14–20, 25 Jun.2022.