Thanh Hai, L., & Thi Truyen, N. (2006). DEVELOPMENT AND APPLICATION OF CLEANER PRODUCTION CIRCLE (CPC) TO THE SMALL AND MEDIUM ENTERPRISES IN HOCHIMINH CITY. VNUHCM Journal of Science and Technology Development, 9(SI: TN&MT), 53-60. https://doi.org/https://doi.org/10.32508/stdj.v9iSI:%20TN&MT.3142