Starfruit Shape Defect Estimation Based on Concave and Convex Area of a Closed Planar Curve. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 48, n. 1, p. 75–89, 2012. DOI: 10.11113/jt.v48.226. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/226.. Acesso em: 11 dec. 2025.