Johannis AJER. Nutrition education using eBook as an alternative to severely wasted prevention in underprivileged families during the COVID-19 pandemic at the Bambanglipuro Health Center. BKM-PHCM [Internet]. 2021Oct.24 [cited 2024Nov.23];00. Available from: https://journal.ugm.ac.id/v3/BKM/article/view/3021