TOKATLI, Cem, vd. “Use of Principle Component Analysis (PCA) to Evaluate the Groundwater Resources of Havsa District (Edirne, TURKEY)”. Biyoloji Bilimleri Araştırma Dergisi, c. 11, sy 1, Eylül 2019, ss. 1-4, https://bibad.gen.tr/index.php/bibad/article/view/310.