Widiantari, N. K. N., N. L. P. Suariyani, and I. N. M. Karmaya. “Association of Socio Demographic Characteristics and Husband Social Supports to the Participation of Mother in Antenatal Class”. Public Health and Preventive Medicine Archive, vol. 4, no. 1, July 2016, pp. 54-59, doi:10.53638/phpma.2016.v4.i1.p10.