Hariani LS, Andayani E, Ain N. THE DEVELOPMENT OF BUSINESS ECONOMICS TEACHING MATERIALS BASED ON PROJECT BASED LEARNING (PJBL) VOCATIONAL SCHOOL STUDENTS. ICDESS [Internet]. 2022 Nov. 21 [cited 2024 Apr. 26];1(1):100-5. Available from: https://prosiding.appipgri.id/index.php/icdess/article/view/15