Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Dekriani, J., Dwiridal, L., Amir, H., & Zulhendra, Z. (2025). Effect of Declination and Solar Radiation Intensity on Weather Parameters in 2020-2023 in Padang City. BULETIN FISIKA, 26(1), 30 – 38. doi:10.24843/BF.2025.v26.i01.p04