Mobile pocketbook of the 4Cs skills-oriented inform of Quick Response Code

Movement of paperless campus becomes a trend toward environmental sustainability, flexible learning, and 4Cs oriented (Creativity, Critical Thinking, Collaboration, and Communication). The use of 4Cs and Quick Response (QR) Codeoriented pocketbook is an alternative to building collaborative students 'reading culture and stimulating students' creativity, innovation, and thinking. The study uses three steps of activity that is planning, product, and evaluation. There are five experts involved in media validation including experts: media, information technology, materials, learning, and assessment of teaching. Tests conducted on 32 students of Mechanical Engineering Education Department of Universitas Sarjanawiyata Tamansiswa. The results showed that the dimensions of the pocketbook are A6 with a maximum thickness of 5mm, has a potent substance that is a chapter, learning objectives, material summary, QR Code equipped with the comprehensive material, and reference. Feasibility of media and information technology experts is 77.34% (very feasible). Eligibility of the content, learning, and evaluation of 66.44% (feasible) and the feasibility of the user is 75.11% (very feasible). In product, the QR Code-based mobile pocketbook is acceptable regarding appearance, content, substance, practicality, and efficiency in use.