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 June 21, 2026. https://jistechunipa.com/index.php/istech/article/view/145