SUSTAINABILITY CERTIFICATIONS IN THE COCOA VALUE CHAIN IN ECUADOR ¿WHO EXERCISES GOVERNANCE, THE GOVERNMENT OR THE MULTINATIONALS? Códigos JEL: F63, F13, J88, L52. REFACE [Internet]. 2023 May 31 [cited 2025 Dec. 5];5(5):31-52. Available from: https://revistas.ug.edu.ec/index.php/fce/article/view/825