AU - Söküt Açar, Tuğba AU - Ayman Öz, Nilgün TI - The determination of optimal cluster number by Silhouette index at clustering of the European Union member countries and candidate Turkey by waste indicators PT - Journal Article DP - 2020 TA - Pamukkale Univ Muh Bilim Derg PG - 481-487 VI - 26 IP - 3 AID - 10.5505/pajes.2019.49932 [doi] 4100 - https://dx.doi.org/10.5505/pajes.2019.49932 SO - Pamukkale University Journal of Engineering Sciences, 2020 26(3):481