Шанлыер, Н., Д. Келесбаев, and Абубакирова A. “RELATIONSHIP AMONG FOOD SAFETY KNOWLEDGE, ATTITUDE AND BEHAVIOR OF EMPLOYEES IN KAZAKHSTAN HOTELS”. Journal of Economic Research &Amp; Business Administration, vol. 125, no. 3, Sept. 2018, pp. 108-16, https://be.kaznu.kz/index.php/math/article/view/2003.