(1)
Paninsari, D.; Sandi, H. T.; Agusdiana, A.; Graciela, A.; Anggraini, B.; Hagana, C. E. The Relationship Between Preparation for Gentle Birth and the Degree of Anxiety of First Pregnant Women in Facing Labor at PMB Mutiara Medan Sunggal. PSSJ 2022, 2, 1-4.