Sari, I., Adam, M., Isnurhadi, I., Wahyudi, T. and Widiyanti, M. 2021. Comparative analysis of upstream oil and gas contracts cost recovery scheme against gross split scheme: (Case study: PT. Pertamina Hulu Energi Jambi Merang). International journal of business, economics & management. 4, 2 (Jul. 2021), 378-388. DOI:https://doi.org/10.31295/ijbem.v4n2.1710.