Vural, Alaaddin, Abdullah Kaygusuz, and Ibrahim Akpinar. “Petrological Characteristics of Late Cretaceous Volcanic Rocks of Demirören (Gümüşhane, NE Turkey) Region”. Journal of Engineering Research and Applied Science 10, no. 2 (December 31, 2021): 1828-1842. Accessed May 19, 2024. http://www.journaleras.com/index.php/jeras/article/view/260.