Efendiyev, G., P. Mammadov, I. Piriverdiyev, and V. Mammadov. 2025. “ESTIMATION OF THE LOST CIRCULATION RATE USING FUZZY CLUSTERING OF GEOLOGICAL OBJECTS BY PETROPHYSICAL PROPERTIES”. Visnyk of Taras Shevchenko National University of Kyiv. Geology 2 (81): 28-33. https://doi.org/10.17721/17282713.81.04.