This study aims to develop electronic-based module teaching materials on K3LH material and Industrial Work Culture for light vehicle engineering competency competencies in Vocational High Schools by using the Flip PDF Corporate Edition application. This research method was carried out using the Research and Development method using the ADDIE development model, which went through the stages namely: 1) Analysis, 2) Design, 3) Development, 4) Implementation, 5) Evaluation. This stage of testing the feasibility quality of the electronic module was validated by material experts with a percentage value of 94% and media experts at 89%, and reinforced from supporting data for student evaluation of 89%, so that electronic modules were categorized as very suitable for use as learning modules in schools. This effectiveness test is carried out to determine the effect of using the module, then obtained the average pretest test results of 65.47 and 73.00 posttest so that there is an increase in the average value after the treatment is carried out and it is effective. The results lead to the conclusion that there is a difference between the use of electronic modules established with the PDF Corporate Edition flip application on K3LH material and Industrial Work Culture before and after treatment.

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