Udin, Zaituni, Faculty of Animal Husbandry, Andalas University, Padang, Indonesia (Indonesia)
Ulgari, Siti, 2Mechanical Engineering Education Study Program, Faculty of Engineering, Universitas Negeri Medan (Indonesia)
Usman, Usman Diriyanti, Politeknik Penerbangan Medan (Indonesia)
Utami, Amaliyah Rohsari Indah, Engineering Physics, School of Electrical Engineering, Telkom University (Indonesia)

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p-ISSN: 2549-1849

e-ISSN: 2549-3434

 

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