Indah Puspitasari, A, and Y Satriyandari. 2019. “The Effect of Audiovisual Counseling of Conception Period and Nutrients to the Nutrient Improvement Motivation on Pregnant Mothers at Primary Health Center Girisubo Gunungkidul Yogyakarta in 2015”. KnE Life Sciences 4 (10), 113–121. https://doi.org/10.18502/kls.v4i10.3713.