Monitoring and evaluation of childhood stunting reduction program based on fish supplement product in North Sumatera, Indonesia oleh Bens Pardamean, Rudi Nirwantono, Alam Ahmad Hidayat, Joko Pebrianto Trinugroho, Mahmud Isnan, Reza Rahutomo, Digdo Sudigyo, Faisal Asadi, Gregorius Natanael Elwireharja, Dedy Ariansyah, Ratna Sari, Roma Dame Uli Pasaribu, Guntur Berlian, Muhammad Ichwan, Sarma Nursani Lumbanraja