<ul><li><a href=https://telecom.kz/pages/11878/171917 target=_blank>JSC Kazakhtelecom official website(JSC Kazakhtelecom presentation dated March 2021, p. 3)</a></li><li><a href=https://telecom.kz/ru/pages/11898/171802 target=_blank>JSC Kazakhtelecom official website - Annual Reports(JSC Kazakhtelecom annual report for 2020, pp. 45 and 178)</a></li></ul>