One child, one teacher, one book and one pen can change the world
- University of Sarjanawiyata Taman Siswa Yogyakarta faculty of teachers. Training and Education majoring English education.
- Sunshine teachers training. Basic and advance Montessori Intensive training workshop.
- SMKN 1 Bangkayang, West Borneo (2011)
- SDN 09 Rangkang, Bangkayang, West Borneo (2013)
- Bumble bee preschool and kindergarten (2014)
- ABC kids elementary school (2015)
- An Nahl Islamic school (2016)
- Unique kids foundation (2017)