Widuri, Y. W., M. Margono, and Y. Retnaningsih. “The Effectiveness Of Video And E-Booklet Media In Health Education On Improving The Knowledge Of Pregnant Women About The Pregnancy Danger Signs At Jetis 1 Public Health Center Of Bantul Regency”. Interest : Jurnal Ilmu Kesehatan, June 2021, pp. 18-28, doi:10.37341/interest.v0i0.298.