Dina Aulia Cahyani, Rizqullohil Mubarokah, Cahyantari Dewi Fitriani, and Sarah Meirina Sari. “Implementation of the Free Nutritious Meal Program to Improve Students’ Learning Concentration in Surabaya City”. Jurnal Dialektika: Jurnal Ilmu Sosial 24, no. 2 (August 17, 2026): 193–207. Accessed September 12, 2026. http://www.jurnaldialektika.com/index.php/piani/article/view/1143.