Developing English Project Based Learning Supplementary Materials for Computer and Network Engineering Vocational High School

This research has been conducted with the aims to develop an English supplementary material in the form of e-module for reading skill difficulty in Computer and Network Engineering VHS students. The difficulty in reading made the students cannot understand the matter given easily. Moreover, in Kurikulum Merdeka, reading skill becomes one of focused skill to improve the literacy aspect. This study was Research and Development (R&D) which used ADDIE model. Questionnaires were used for collecting data in preliminary study, expert validations after the product developed, and students’ perception after trial product. While the researcher used the field note to gather document analysis result and interview guidelines as structured interview instrument to English teacher. All expert validation result showed >74,99%. The media expert had been on 95%, the matter expert was on 75%, and the final score from linguistic expert was on 95%. The student’s perception questionnaire had been on 84% with positive responses which reached “Good” category. Whereas the validation and reliability final counting are >0.457 and 0.815 which defined as valid and reliable. The e-module can be used as supplementary material for English teaching especially in Vocational High School.