↑Kaewprasert, P. (2009). Production of kefir liked product from mix cultures of saccharomyces cerevisiae, streptococcus cremoris and streptococcus lactis= การผลิตผลิตภัณฑ์คล้ายคีเฟอร์จากเชื้อผสมของแซคคาโรมัยซีสเซเรวิสิอีม,สเตร็ปโตคอคคัสครีโมริสกับสเตร็ปโตคอคคัสแลคติส (Doctoral dissertation, Chiang Mai: Graduate School, Chiang Mai University, 2009).
↑Altay F, Karbancıoglu-Güler F, Daskaya-Dikmen C, Heperkan D (October 2013). "A review on traditional Turkish fermented non-alcoholic beverages: microbiota, fermentation process and quality characteristics". Int J Food Microbiol. 167 (1): 44–56. doi:10.1016/j.ijfoodmicro.2013.06.016. PMID23859403.
↑Arslan, Seher (26 November 2014). "A review: chemical, microbiological and nutritional characteristics of kefir". CyTA – Journal of Food. 13 (3): 340–345. doi:10.1080/19476337.2014.981588.