Analysis of service and production contracts according to the sustainability accounting standard (oil and gas - exploration and production) EM.EP.210 and EP210 indicators and reflection on product costs. JAFS [Internet]. 2025 Dec. 31 [cited 2026 Jul. 20];20(73):373-85. Available from: https://www.jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/2405