Pagarra, Halifah, Rachmawaty Rachmawaty, and Sahribulan Sahribulan. “Optimization of Pectin Extraction from Albedo of Watermelon (Citrullus Lanatus) Using Response Surface Methodology”. Jurnal Biologi Tropis 24, no. 4 (October 27, 2024): 574–582. Accessed November 7, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/7864.