InOS publishes internal newsletter called as Buletin HOI (ISSN: 2407-683X). The newsletter is published twice a year. When InOS has special activities then it can be published more than twice a year. The newsletter is distributed among members in electronic form only.
For contribution of article, please send your article to inos(at)indonesianoptics(dot)org.
The past news letter can be downloaded by clicking following links: