Muhamad Aditya hidayah. (2021). ANALYSIS OF BATOPANG (BIOINSECTICIDE OF BROTOWALI STEM EXTRACT AND KETAPANG LEAVES) BASED ON SNI 02-3128-1992 AND EFFECTIVENESS TEST AGAINST WOOD GRASSHOPPER (VALANGA NIGRICONIS) WITH THE METHOD LETHAL CONCENTRATION 50. JARES (Journal of Academic Research and Sciences), 6(1), 40-54. https://doi.org/10.35457/jares.v6i1.1408