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Kevin Andreas Halomoan Tambunan, Ridha Nababan, Rimma Anisa Siagian, Roslin Naiborhu, Sintia Harianti, Jamaludin Jamaludin. Tinjauan Kritis Tentang Program Makan Bergizi Gratis Terhadap Produktivitas Belajar Siswa. Katalis [Internet]. 2025 Mar. 21 [cited 2026 Mar. 8];2(2):21-3. Available from: https://journal.lpkd.or.id/index.php/Katalis/article/view/1428