Kondybayeva Yerkin, S.
(2016).
 Kazakhstan Oil Consumption and Energy Efficiency in a Global comparison..
<em>Вестник КазНУ. Серия Экономическая, 114</em>(2/2).
Получено с <a href="https://be.kaznu.kz/index.php/math/article/view/1576" target="_new">https://be.kaznu.kz/index.php/math/article/view/1576</a>