Thanh Nguyen, P., Herman, H., Thuy To Nguyen, Q. L. H., Wayan Suparta, I., & Bich Huynh, V. D. (2019). Cleanliness Assessment of Sub-District in Regency Using Technique for Order Preference by Similarity to Ideal Solution. Opción, 35, 2899-2921. Recuperado a partir de https://produccioncientificaluz.org/index.php/opcion/article/view/30142