Abo Jeesh, Y. A. ., Mohammed Khalid, E. F.-E. and Elbashier, I. M. A. . (2021) “Effectiveness of Teaching Program on Critical Care Nurses’ Performance during Endotracheal Suctioning in the Intensive Care Units in Syria”, European Scientific Journal, ESJ, 17(34), p. 190. doi: 10.19044/esj.2021.v17n34p190.