Usoro, E. (1997) “Effect of demonstration and individualized methods of teaching on students achievement in shorthand: In E. C. Osuala and S.C.O.A. Ezeji (eds) readings in Vocational Education, Uyo: Dorand Publishers”, Afrischolar Discovery Repository (Annex), pp. 166 – 171. doi:10.60951/afrischolar-221.