Cahyadi, M.N., Geomatics Engineering Department, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia, Indonesia

• International Journal of Geoinformatics Vol. 18 No. 2 (2022): Volume 18, No.2 April 2022 (Open Access with DOI) - Articles
  Telemedicine Technology Application for COVID-19 Patient Tracing Using Smartphone GNSS
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