NRIPES KUMAR MANDAL; BIKAS KUMAR SINHA; MANISHA PAL. Understanding the Features of Non-Orthogonality in Quadratic Response Surface Designs. Journal of the Indian Society of Agricultural Statistics, New Delhi, India, v. 79, n. 2, p. 87–94, 2026. DOI: 10.56093/jisas.v79i2.181853. Disponível em: https://epubs.icar.org.in/index.php/JISAS/article/view/181853. Acesso em: 26 jul. 2026.