ANGGI DWI YANTI; I NENGAH TANU KOMALYNA; TAPRIADI. Perbedaan Tingkat Pengetahuan Gizi, Tingkat Konsumsi Energi dan Protein antara Pendampingan Berbasis Whatsapp dengan Media E-booklet dan E-leaflet pada Ibu Hamil Kurang Energi Kronis (KEK) di Wilayah Kerja Puskesmas Arjowinangun Kota Malang : Differences in Nutritional Knowledge Levels, Energy and Protein Consumption Levels between Whatsapp-Based Assistance with E-booklet and E-leaflet Media in Chronically Lacking Energy Pregnant Women (KEK) in the Arjowinangun Health Center Work Area, Malang City. Media Publikasi Promosi Kesehatan Indonesia (MPPKI), v. 5, n. 11, p. 1363-1371, 13 Nov. 2022.