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Ushtrime pe͏̈r le͏̈nde͏̈n e ekonomise͏̈ se͏̈ shpimit te͏̈ puseve dhe͏̈ te͏̈ nxjerrjes se͏̈ nafte͏̈s e te͏̈ gazit
Cerova, Tomor, (1985)
Scheduling activities at oil wells with resource displacement
Moura, Arnaldo V., (2008)
Costs and indices for domestic oil and gas field equipment and production operations : ... through ...
(1982)