Development of an Enrichment Book of Colloid Industry Products as a Source of Literacy for Senior High School Students

The aim of this research was to develop an enrichment book of colloid industry products as a source of literacy and to determine the quality of this book. The approach used in this study was Design-Based Research, which included four phases of development: 1) a questionnaire about needs was filled in by 5 teachers and 83 students; 2) the book was developed using CorelDraw X8 software and a literature search was conducted of online articles, journals and other supporting books; 3) cycles of testing were conducted, in which three experts and three peer reviewers assessed the book, and several revisions were produced; and 4) reflection and final evaluation were conducted, in which 5 teachers and 20 students from SMA N 2 Sleman, SMA N 2 Yogyakarta, SMA 1 Tempel, and MAN 3 Sleman assessed the substance, presentation, language and graphics of the book. Through this process, an enrichment book of colloidal industry products titled “Proses Pembuatan Koloid di Industri untuk SMA/MA Kelas XI” was produced. The book received a score 62.8 out of a maximum score of 70, which corresponded to a rating of ‘very good quality’. Keywords: colloid, literacy, enrichment boo