Yulianto, Edy, Marsetiayu Ningsih, Wahyu Bahari, Ahmad Musthofa, Galuh Prihantoro, and Fifit Astuti. “Raman Spectroscopy for Non-Destructive Detection of Pesticide on Guava Peel”. Jurnal Penelitian Pendidikan IPA 9, no. 4 (April 30, 2023): 2025–2029. Accessed May 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3202.