Design consideration for lowering sensitivity to out of band interference of negative feedback amplifiers. - E. D. Totev; Chris J. M. Verhoeven (ISCAS (2), 2005)

Modern Methods for Stimulating Creativity in Education. - P. Chakalisa; D. Mapolelo; D. M. Totev; E. D. Totev (Informatica (Slovenia), 2006)