Hasil Validasi Ahli Materi, Bahasa, dan Media dalam Pengembangan Buku Ajar Belajar dan Pembelajaran yang Merujuk pada Kitab Ta’lim Muta’alim
Textbooks are an important element of learning. Therefore, the development of textbooks continues to improve the quality of content which has an impact on increasing overall output. One of the compulsory subjects on the education campus is study and learning courses. This subject is almost the same as the study of books in Islamic boarding schools, namely the ta'lim muta'alim book which specifically discusses how to learn and learn. This study aims to develop learning and learning textbooks that refer to the ta'lim muta'alim book. The outputs of this development include (1) producing printed textbooks that can be used in lectures; (2) produce scientific articles published in accredited national journals. While the long-term target is to improve the character of students (prospective teachers) in facing the 4.0 era and the next era. The development model used is the 4D model. which consists of the stages of define, design, develop, and disseminate. The results of the validation of material experts, linguists and media experts all show decent results with good predicates. Each validator also provides very specific suggestions for producing a quality product.