Yuwono Y, Murtadlo ML. ANALISIS KETELITIAN AZIMUT PENGAMATAN MATAHARI DAN GLOBAL POSITIONING SYSTEM (GPS) (Studi Kasus : Kampus ITS Sukolilo, Surabaya). geoid [nternet]. 2017Aug.1 [cited 2025Dec.7];13(1):69-76. vailable from: https://journal.its.ac.id/index.php/geoid/article/view/1551