There are several different notations available in the market to business process modeling. An adequate business process model tool allows the understanding regarding the several operational flows inside an organization. This article has two objectives: first, to identify and to compare alternative business process modeling notations; second, to select an adequate notation to be applied in the modeling the business process of accounting system to higher education entities. Then, a literature review was carried out, including a rigorous research in indexed database. We also tested the available tools based on BPM model. Among the studied notations the BPMN was selected since it demonstrated to be the more adequate notation for complex processes once it contains a wide variety of symbols, which are easily comprehended.