“…Research on this phenomenon is important, especially to track the development of Vocational Education thus far, [3] . Various studies related to vocational education have been carried out in various fields, including History [4] , evolution [5] , developments [6] , technology [7 , 8] , regulation [9] , strategy [10] , employment [11] , and outputs [12 , 13] . Indeed, studies on the phenomena of Vocational Education are essential in every country that organizes vocational education programs, such as East Germany [14] , Tanzania [15] , Thailand [16] , Finland, Denmark and Sweden [17 , 18] .…”