Paper topics that can be published in JAST are as follows: 1. Small and Medium Enterprises (UKM) or community economic empowerment 2. Application of Bioenergy Technology 3. Environmental Management; 4. Natural Resource Processing 5. Workshop and Training for the community JAST is published twice a year every June and December, published by the Faculty of Engineering, University of Tribhuwana Tunggadewi Malang.