Umaningrum, Dewi; Nurmasari, Radna; Dewi Astuti, Maria(International Conference on Science and Technology for Suistainable Industry (ICSTSI) Baristand Banjarbaru, 2020-08-06)
Umaningrum, Dewi; Nurmasari, Radna; Dewi Astuti, Maria(The 1th International Conference on Mathematics, Science and Education (ICOMSE) Universitas Negeri Malang, 2017-08-29)