For citations:
Ramazanov A.A., Aldabergen Sh. Effectiveness of customer loyalty. Bulletin of "Turan" University. 2021;(1):136-144. (In Kazakh) https://doi.org/10.46914/1562-2959-2021-1-1-136-144
Ramazanov A.A., Aldabergen Sh. Effectiveness of customer loyalty. Bulletin of "Turan" University. 2021;(1):136-144. (In Kazakh) https://doi.org/10.46914/1562-2959-2021-1-1-136-144