Ximenes Guterres, Juvinal, and Eko Suprapto. “Application of Environmentally Friendly Concepts in Sustainable Technology: A Conceptual Study As a Guide for Researchers”. Greenation International Journal of Engineering Science 2, no. 2 (July 15, 2024): 60–67. Accessed December 14, 2024. https://research.e-greenation.org/GIJES/article/view/205.