changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Sep 15, 2019
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https://www.spe.org/industry/reserves.php
https://www.spe.org/industry/docs/GuidelinesEvaluationReservesResources_2001.pdf
https://www.spe.org/industry/docs/PRMS-Guide-for-Non-Technical-Users-2007.pdf