Rosero Erazo CR, Yaulema Garces FM, Yaulema Castañeda JL. Stochastic mathematical model to diagnose water and sediment quality in areas influenced by oil activity in the province of Orellana. . CCD [Internet]. 2021Jul.20 [cited 2026Jul.12];4(3):177-95. Available from: https://doi.org/10.33262/concienciadigital.v4i3.1789