Barikpe Sigalo, F. ., H. . Ugonna Ogbonda, and C. . Oghonda. “STIMULATION OF THE EFFECT OF TEMPERATURE ON THE ELECTRICAL CONDUCTIVITY AND CARRIER CONCENTRATION OF INTRINSIC AND EXTRINSIC SEMICONDUCTORS”. BW Academic Journal, May 2023, p. 13, https://bwjournal.org/index.php/bsjournal/article/view/1274.