Comparing The Purple Yam Starch Extraction By Ultrasound And Conventional Method. International Journal of Environmental Sciences, [S. l.], p. 1830–1834, 2025. DOI: 10.64252/vtvmtz77. Disponível em: https://theaspd.com/index.php/ijes/article/view/3137.. Acesso em: 23 feb. 2026.