Sheng-le, X., Qi-fei, W., & He-yong, W. (2026). Study on the concretisation of the “fair and equitable treatment” clause in the field of energy investment within the Shanghai Cooperation Organisation . Bulletin of the Karaganda University “Law Series”, 12131(1), 62–72. https://doi.org/10.31489/2026l1/62-72