Mustikawati, Dewi Rumbaina, Nina Mulyanti, and Ratna Wylis Arief. “Study Effectiveness of Liquid Smoke As a Natural Insecticide for Main Pest Control of Soybean Crops”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 30, no. 1 (October 7, 2016): 237–245. Accessed July 3, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6363.