Subiantoro, A W., Suyanto, S., & Butar Butar, F. The 5th International Conference on Research, Implementation, and Education of Mathematics and Science (ICRIEMS): Yogyakarta, Indonesia, 7-8 May 2018. [Bristol]: IOP Publishing.

The 5th International Conference on Research, Implementation, and Education of Mathematics and Science (ICRIEMS) : Yogyakarta, Indonesia, 7-8 May 2018 / editors: Agung Wijaya Subiantoro (Ed.D., Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Yogyakarta, Indonesia), Dr. Slamet Suyanto (Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Yogyakarta, Indonesia), Prof. Ferry Butar Butar (Ph. D., Departement of Mathematics and Statistics, Sam Houston State University, USA) . — [Bristol] : IOP Publishing. — 1 Online-Ressource; Illustrationen. — (Journal of physics / Conference Series ; volume 1097 (2018))

Subiantoro, Agung Wijaya, Slamet Suyanto, and Ferry Butar Butar. The 5th International Conference On Research, Implementation, and Education of Mathematics and Science (ICRIEMS): Yogyakarta, Indonesia, 7-8 May 2018.[Bristol]: IOP Publishing.