Zikrika, C. A., P. Ronitawati, P. D. Swamilaksita, M. Sa’pang, and H. Harna. “Analysis of Difference in Service Quality, Food Quality and Santri Satisfaction Levels in City and Village Boarding School”. Darussalam Nutrition Journal, vol. 5, no. 2, Nov. 2021, pp. 155-63, doi:10.21111/dnj.v5i2.5799.