Zhumagulova, G., Kocherov, E., Korganbayev, B., Ivakhnyuk, G., Ramatullayeva, L., Ikramov, I., … Mutasheva, G. (2026). Recycling waste cooking oil into soap: physicochemical characterization and multivariate assessment of experimental formulations. EQA - International Journal of Environmental Quality, 74, 1–15. https://doi.org/10.60923/issn.2281-4485/24650