Amalia, V. R.; Mufidati, D. GAMBARAN TINGKAT PENGETAHUAN REMAJA TENTANG PREMENSTRUAL SYNDROME PADA SISWI MTS ITTIHAD SAMARINDA: DESCRIPTION OF ADOLESCENT LEVELS OF KNOWLEDGE ABOUT PREMENSTRUAL SYNDROME IN ITTIHAD SAMARINDA MTS STUDENTS. bunda edu-midwifery j. 2023, 6, 69-75.