Yuan Zhao Song, Myeong Cheol Choi, An Na Zou, Cheng Jie, and Joo Hee Han. “A Marketing Strategy Analysis of Xiaoguan Tea”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 13, July 2021, pp. 6188-94, doi:10.17762/turcomat.v12i13.9899.