TLEUBAYEV, A..
 TECHNICAL EFFICIENCY ANALYSIS OF WHEAT PRODUCERS IN KAZAKHSTAN AND RUSSIA: STOCHASTIC FRONTIER APPROACH.
<strong>SDU University Bulletin: Social Sciences</strong>, [S.l.], v. 55, n. 2, p. 30-43, june 2021.
ISSN 2709-2410.
Available at: &lt;<a href="https://journals.sdu.edu.kz/index.php/ss/article/view/526" target="_new">https://journals.sdu.edu.kz/index.php/ss/article/view/526</a>&gt;. Date accessed: 29 apr. 2025.
doi: <a href="https://doi.org/10.47344/sdubss.v55i2.526">https://doi.org/10.47344/sdubss.v55i2.526</a>.