CHAYYU ZALENA HAWIE atau sering dipanggil CHAYYU berasal dari Program Studi S1 Pendidikan Bahasa Jerman, Fakultas Bahasa, Seni, dan Budaya, Universitas Negeri Yogyakarta menjuarai kejuaraan tingkat Internasional dalam bidang Penalaran yaitu Juara I Environment World Youth Invention and Innovation Award yang di ikuti 375 peserta dari 56 perguruan tinggi yang terdiri dari 35 negara. Kejuaraan ini diselenggarakan oleh Indonesian Young Scientist Association in collaboration with Yogyakarta State University bertempat di Yogyakarta pada tanggal 17 Agt 2021 s/d 21 Agt 2021 This competition was held by Indonesian Young Scientist Association in collaboration with Yogyakarta State University. It was opened for international students. There were 8 categories such as mathematics, technology, environment, energy and engineering, life science, social science, physics, and education. The competition that I joined was categorized in environment with the title "Implementation of Automatic pH Detection Control System in Tofu Industrial Liquid Waste in the Special Region of Yogyakarta as Microcontroller-Based Hydroponic Organic Fertilizer". It was held online and judged by two juries.... Lihat Selengkapnya >>