Hadi Abdulameer, H., & Abbas Al-janabi, H. (2019). The Effect Of Delta Buying Options In The Profitability Of The Original Basis. Applied Research On The Company Of Apple Phones And Communication Technology. OpciĆ³n, 35, 1325-1352. Recuperado a partir de https://produccioncientificaluz.org/index.php/opcion/article/view/31075