Matrix of Cross Impact Multiplications Applied to a Classification Model: Sustainable Key Variable of Microhydro Power Plants in The Economics of Smart SocietyDessy Rachmawatie, Additya Rizqi and Rahmat Adiprasetya Al HasibiE3S Web Conf., 557 (2024) 04003DOI: https://doi.org/10.1051/e3sconf/202455704003