This research will verify the impact of professionalism, physical work environment, and information technology on satisfaction of library users, either directly or indirectly through service performances.The population on this research is publics or peoples who have received library services in 2020 as many as 3.886 peoples. Determination of the number of samples by the slovin method so that the number of samples obtained is 97 people (rounded up to 100 people) with the random sampling method. Data analysis used Structural Equation Model (SEM) with AMOS analysis tool. From the result of research represent that all research instruments are valid and reliable. The research model is compatible with research model design so that the model can be declared reasonable. From the research, it is suspected that work professionalism, physical work environment, and information technology devices take affect on performaces. Furthermore, performances also affect on publics satisfaction. Work Profesionalism, Physical Work Environment and Information Technology also suspected take effect on Public Satisfaction by permormances either directly or indirectly.

The purpose of this research is to 1) determine the influence of leadership on morale, 2). Knowing the effect of work discipline on morale, 3). Knowing the effect of remuneration on morale, 4). Knowing the influence of leadership on employee performance, 5). Knowing the effect of work discipline on employee performance 6). Knowing the effect of remuneration on employee performance, 7). Knowing the effect of morale on employee performance, 8). Knowing the influence of leadership, work discipline and remuneration on employee performance with work enthusiasm as a mediator. The subjects of this research are the employees of Perumda Water Drinking Tirta Baribis, Brebes Regency, totaling 167 employees. The technique used to collect data in this research is a questionnaire. The data analysis methods used in this study were instrument validity and reliability tests, descriptive statistics, quantitative analysis, and mediation tests (sobel test). Some conclusions that can be drawn from this research are that leadership, work discipline, and remuneration affect work morale. Leadership, work discipline, and remuneration affect employee performance. Morale is able to significantly mediate the influence of leadership, work discipline and remuneration on employee performance.