GEOMETRY DESIGN OF ANDESITE BLASTING USING THE MODERN TECHNIQUE OF ROCK BALASTING METHOD: DESAIN GEOMETRI PELEDAKAN ANDESIT DENGAN METODE THE MODERN TECHNIQUE OF ROCK BALASTING. JISTECH. 2023;6(2). Accessed September 28, 2026. http://jistech.unipa.ac.id/index.php/istech/article/view/145