RATMAWATI, Y. N. R.; dr. Bima Suryantara, SpOG(K); Dr. Heni Puji Wahyuningsih,S.SiT,M.Keb. The Effectivenes of the Use of Maternity Classes on Decision Making In Maternal and Child Health Service in Klaten Regency. JoH 2023, 10, 095-108.