Sugianto, Yanto. “<b>THE EFFECT OF LATITUDE, SEASON, TIME OF DAY AND ASPECT ON DIRECT SOLAR RADIATION</B&gt;”. Agromet 8, no. 1 (1): 25-31. Accessed May 20, 2024. https://jurnal.ipb.ac.id/index.php/agromet/article/view/3697.