Phong, Thanh Nguyen and Herman, Herman and Thuy To Nguyen, Quyen Le Hoang and suparta, i wayan and Bich Huynh, Vy Dang (2019) Cleanliness Assessment of Sub-District in Regency Using Technique for Order Preference by Similarity to Ideal Solution. OPCION Revista de Ciencias Humanas y Sociales, 21 (35). pp. 2899-2921. ISSN 2477-9385

Phong, Thanh Nguyen and Herman, Herman and Quyen Le Hoang, Thuy To Nguyen and I Wayan, Suparta and Bich Huynh, Vy Dang Cleanliness Assessment of Sub-District in Regency Using Technique for Order Preference by Similarity to Ideal Solution. Internasional Journal Opcion Revista de Ciencias Humanas y Sociales, Department of Economic and Development Studies, Faculty of Economic and Business University of Lampung.