This issue has been officially accredited by Ristek/BRIN (Sinta 3) and available online since 30 April 2020  for the regular issue of April 2020. All Articles in this issue were authored/co-authored by 9 Authors from 6 different affiliations (Universitas Negeri Semarang, Universitas Diponegoro, Semarang City Police Department, Universitas Andalas, National Narcotic Board of West Sumatera, UPN Veteran Jakarta), all from Indonesia

DOI: https://doi.org/10.15294/ulj.v6i1

Published: 2020-04-30