Putri NR, Amalia R, Kusmawati II. Kelas Ibu Hamil Terhadap Kesehatan Psikologis Ibu Hamil dan Persiapan Persalinan: Systematic Review. IJM [Internet]. 2022 Mar. 4 [cited 2024 Dec. 22];5(1):29-38. Available from: https://jurnal.unw.ac.id/index.php/ijm/article/view/1427