[1]
MEKHELFI , A., BARKA, M. and MESGHOUNI, M. 2019. Assessment of the effectiveness of the training process within SONATRACH -HBK- Ouargla (2013-2016). Dirassat Journal Economic Issue. 10, 1 (Jan. 2019), 421-423. DOI:https://doi.org/10.34118/djei.v10i1.223.