Anggi Dwi Yanti, I Nengah Tanu Komalyna, and 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), Vol. 5, no. 11, Nov. 2022, pp. 1363-71, doi:10.56338/mppki.v5i11.2737.