Sheng-le X, Qi-fei W, He-yong W. Study on the concretisation of the “fair and equitable treatment” clause in the field of energy investment within the Shanghai Cooperation Organisation . L [Internet]. 2026 Mar. 30 [cited 2026 May 18];12131(1):62-7. Available from: https://law-vestnik.buketov.edu.kz/law/article/view/1080