Zikrika, C. A., Ronitawati, P., Swamilaksita, P. D., Sa’pang, M., & Harna, H. (2021). Analysis of difference in service quality, food quality and santri satisfaction levels in city and village boarding school. Darussalam Nutrition Journal, 5(2), 155–163. https://doi.org/10.21111/dnj.v5i2.5799