The effect of financial leverage on the profitability of economic services companies - Case study of the Sonelgaz company in Guelma for the period )2017-2019
Mağallaẗ al-iğtihād li-l-dirāsāt al-qānūniyyaẗ wa al-iqtiṣādiyyaẗ, 2023-01, Vol.12 (1), p.504-523 [Peer Reviewed Journal]ISSN: 2335-1039 ;EISSN: 2437-0754
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