Abstract:
The purpose of this research was to develop the program of development system of official letters program on adminsitrative work, Rajabhat Institute Surin. In this study the MySQL database system was used. The Visual basic program was used as a software tool. This system was divided in to 10 factors: the data of budget management, the data of personal position management, the data of operation, the data of personal management, the data of the system uses management, the data of the internal communication through document, the data of the external communication through documents, the data of the in3coning documents the data for document retrieval, and the data for general information report. And emphasized and efficiency of the system in 4 ways as follows: Functional Requirement had average (X = 4.63), which showed the accuracy of system and efficiency follow the needs of the user in high. Function Test has average value (X = 4.77), which showed these system could working with the objectives in high. Usability Test had averge value (X = 4.42), which showed these system were easy for using in high. Security Test had average value (X = 4.90), which showed these system had a security of the data in high. When considering the average in any ways by using the statistics and Mean, in had average value (X = 4.63), which showed these development system had efficiency in high. And could be used in the system of managing official letters program on administrative work, surindra rajabhat University.