Krivulya , S. V., Matkivskyi, S. V., Bikman , Y. S., Kondrat, . O. R., & Burachok , O. V. (2020). Special features of tight gas reserves determination. Oil and Gas Power Engineering, (1(33), 19–28. https://doi.org/10.31471/1993-9868-2020-1(33)-19-28