Toraman, S. and Şensöğüt, C. (2022) “Estimation of Calorific Value of Lignite Field in Kütahya-Gürağaç (Turkey) by means of Artificial Neural Network”, International Journal of Economic and Environmental Geology, 13(3), pp. 1–7. doi: 10.46660/ijeeg.v13i3.36.