Optimization of biodegradable trays with residual potato starch (Solanum tuberosum) and passion fruit waste flour (Passiflora edulis) by thermoforming. jstri [Internet]. 2025 Oct. 15 [cited 2026 Apr. 19];6(2):23-34. Available from: https://mail.journalindustrial.com/index.php/jstri/article/view/66