Ramadhan GR, Marliyati SA, Kustiyah L. Effect of Feeding Street Foods Containing Coconut Palm Sugar Enriched with Red Palm Oil (RPO) on Serum Retinol Level and Nutritional Status of Elementary School Children. IJSBAR [Internet]. 2016 Aug. 15 [cited 2024 May 18];29(1):279-88. Available from: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6049