Susilo Edi Prianto and Setyadi, A. 2023. The Influence of System Quality and Perception of Ease of Use on The Success of Using E-Procurement Systems in the Open University. Dinasti International Journal of Education Management And Social Science. 4, 4 (Apr. 2023), 508–516. DOI:https://doi.org/10.31933/dijemss.v4i4.1806.