“The Use of Cone Projections and Quadratic Programming in Estimation of Constrained Regression”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 57, no. 1 (May 26, 2025): 136–143. Accessed October 12, 2025. https://jrucs.iq/index.php/JAUCS/article/view/749.