12 Waiheru Journal, the official scientific journal of Balai Diklat Keagamaan Ambon. The printed versions were firstly published in 2015. From 2021 onwards, the electronic version has been made available twice a year, June and December. The e-journal version accepts all research and scientific papers from widyaiswara or instructors, researchers, academics, madrasah teachers, practitioners, and the contributors who work in the education, training, and religious issues.