Lili Yuliana Tambunan, Maidina Putri, Widya Surya Tri Pasa, Paramita Mustari and Sri Junita Simaremare 2023. The Effect Ofhypnobirt Hing On The Intensity Of Pain In Childbirth Penuunan Kala 1 In Midwives Clinic Nining. Jurnal EduHealth. 14, 01 (Mar. 2023), 637–643.