Een Lujainatul Isnaini; Hafiz Mardian Abdussalam; Redho Surya Perdana; Akbar Wahyu Nugraha; Aulia Try Atmojo. Determination of Zenith Tropospheric Delay (ZTD) Using CORS GNSS Data, 2016 – 2020 In Lampung. JI 2025, 10, 346-354.