U. P. AKRA; E. E. BASSEY; S. S. AKPAN; A. C. ETIM; O. E. NTEKIM. Geometrical Approach for Construction of Balanced Incomplete Block Design. Jordan Journal of Mathematics and Statistics, [S. l.], v. 18, n. 2, p. 223–231, 2025. Disponível em: https://jjms.yu.edu.jo/index.php/jjms/article/view/1249. Acesso em: 3 oct. 2025.