Vural, Alaaddin, Abdullah Kaygusuz, and Ibrahim Akpinar. 2021. “Petrological Characteristics of Late Cretaceous Volcanic Rocks of Demirören (Gümüşhane, NE Turkey) Region”. Journal of Engineering Research and Applied Science 10 (2), 1828-42. http://www.journaleras.com/index.php/jeras/article/view/260.