Sari DK, Marianne. Impact of Breakfast Counselling and 6 Days of Breakfast on the Nutritional Status and Knowledge of Middle School Students in Berastagi, Indonesia. Pak. J. Nutr. [Internet]. 2019 Dec. 15 [cited 2025 Sep. 6];19(1):12–18. Available from: https://pjnonline.org/pjn/article/view/2823