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 Publ. Promosi Kesehat. Indones, vol. 5, no. 11, pp. 1363-1371, Nov. 2022.