STOCHASTIC STATE-SPACE MODELING FOR SLUDGE CONCENTRATION HEIGHT AT THE UCUBAMBA GUANGARCUCHO WASTEWATER TREATMENT PLANT ArticleInca Cristian Luis, Salazar Cristian A., Rodríguez Jesús, Barrera María, Kurbatova A.I., Inca Evelyn, Padilla-Padilla Nelly Margarita, Moreno-Yepez Ider Nexar, Toapanta-Dacto Jorge Vinicio, Ávila-Gaibor Gustavo Javier, Velasco-Arellano Marco Hjalmar, Coronel Franklin Marcelo, Morocho-Orellana Julio CesarWater (Switzerland). Том 17. 2025.