For citations:

Kelesbayev D.N., Ydyrys S.S., Kozhabayev H.B. The efficiency of kaizen costing system in reducing non-value activities. Bulletin of "Turan" University. 2020;(3):257-262. (In Russ.) https://doi.org/10.46914/1562-2959-2020-1-3-257-262