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 July 3, 2026. https://www.jistechunipa.com/index.php/istech/article/view/145