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 DIAN PUSPITA SUKMA DEWI, Ni Wayan; JANARDANA, I Gusti Ngurah; ARTA WIJAYA, Wayan. PEMANFAATAN PENCAMPURAN GYPSUM DENGAN KALSIUM OKSIDA SEBAGAI ZAT ADITIF PADA SISTEM PEMBUMIAN. Jurnal SPEKTRUM, [S.l.], v. 8, n. 3, p. 37-43, oct. 2021. ISSN 2684-9186. Available at: <https://ojs.unud.ac.id/index.php/spektrum/article/view/79190>. Date accessed: 03 sep. 2026. doi: https://doi.org/10.24843/SPEKTRUM.2021.v08.i03.p5.