L. Sudaryanti, A. Mardhika, A. Qona’ah, A. P. M. Tyas, and M. A. C. Laksana, “Improved health education for pregnant women in performing antenatal care in the COVID-19 pandemic”, ABDIMAS J. Pengabdi. Masy. Univ. Merdeka Malang, vol. 6, no. 4, pp. 526–533, Nov. 2021.