Ramírez Sanabria, A. E., López, L. L., & Orozco, M. I. (2020). Optimization of the Transesterification Process of Palm Oil using Ultrasound-based Technique. Universidad Pedagógica y Tecnológica de Colombia.

Ramírez Sanabria, Alfonso Enrique, Lizbeth Lorena López, and Mara Isabel Orozco. Optimization of the Transesterification Process of Palm Oil Using Ultrasound-based Technique. Universidad Pedagógica y Tecnológica de Colombia, 2020.

Ramírez Sanabria, Alfonso Enrique, et al. Optimization of the Transesterification Process of Palm Oil Using Ultrasound-based Technique. Universidad Pedagógica y Tecnológica de Colombia, 2020.