Mahaboob, B.; Venkateswarlu, B.; Narayana, C.; Ravi sankar, J.; Balasiddamuni, P. A Treatise on Ordinary Least Squares Estimation of Parameters of Linear Model. IJET 2018, 7 (4.10), 518-522. https://doi.org/10.14419/ijet.v7i4.10.21216.