Liu, Yanli, Jijun Yao, Ru Cai, and Shike Zhou. 2020. “Eating Breakfast or Attending Extracurricular Tutoring, Which One Is More Effective in Improving Student’s Performance? An Empirical Study Based on the Data from A Large-Scale Provincial Survey”. Science Insights Education Frontiers 5 (1):481-99. https://doi.org/10.15354/sief.20.ar029.