Danuwijaya, A A., Abdullah, A G., & Nandiyanto, A B D. Seminar on Advances in Mathematics, Science and Engineering for Elementary School (SAMSES 2018): 16 August 2018, Yogyakarta, Indonesia. [Bristol]: IOP Publishing.

Seminar on Advances in Mathematics, Science and Engineering for Elementary School (SAMSES 2018) : 16 August 2018, Yogyakarta, Indonesia / conference chair: Ari Arifin Danuwijaya, M.Ed. ; the editors, Dr. Ade Gafar Abdullah; Dr. Eng. Asep Bayu Dani Nandiyanto; Dr. Isma Widiaty; Ari Arifin Danuwijaya, M.Ed.; Cep Ubad Abdullah, M.Pd . — [Bristol] : IOP Publishing. — 1 Online-Ressource; Illustrationen. — (Journal of physics / Conference Series ; volume 1318 (2019))

Danuwijaya, Ari Arifin, Ade Gafar Abdullah, and Asep Bayu Dani Nandiyanto. Seminar On Advances in Mathematics, Science and Engineering for Elementary School (SAMSES 2018): 16 August 2018, Yogyakarta, Indonesia.[Bristol]: IOP Publishing.