Penguatan peran keluarga dalam pencegahan masalah gizi balita melalui Positive Deviance di Kabupaten Deli Serdang. TROPHICO [Internet]. 2024 Sep. 30 [cited 2026 Feb. 4];4(2):69-75. Available from: https://idjpcr.usu.ac.id/trophico/article/view/17802