Authors: Tahtinen, M Strengell, M Collings, A Pitkanen, J Kjerrstrom, A Hakkarainen, K Peterson, P Kohleisen, B Wahren, B Ranki, A Ustav, M Krohn, K

Citation: M. Tahtinen et al., DNA vaccination in mice using HIV-1 nef, rev and tat genes in self-replicating pBN-vector, VACCINE, 19(15-16), 2001, pp. 2039-2047

Authors: Hakkarainen, K Ilomaki, L Lipponen, L Muukkonen, H Rahikainen, M Tuominen, T Lakkala, M Lehtinen, E

Citation: K. Hakkarainen et al., Students' skills and practices of using ICT: results of a national assessment in Finland, COMPUT EDUC, 34(2), 2000, pp. 103-117

Authors: Hakkarainen, K Lipponen, L Jarvela, S Niemivirta, M

Citation: K. Hakkarainen et al., The interaction of motivational orientation and knowledge-seeking inquiry in computer-supported collaborative learning, J EDUC COMP, 21(3), 1999, pp. 263-281

Authors: Collings, A Pitkanen, J Strengell, M Tahtinen, M Pitkanen, J Lagerstedt, A Hakkarainen, K Ovod, V Sutter, G Ustav, M Ustav, E Mannik, A Ranki, A Peterson, P Krohn, K

Citation: A. Collings et al., Humoral and cellular immune responses to HIV-1 Nef in mice DNA-immunised with non-replicating or self-replicating expression vectors, VACCINE, 18(5-6), 1999, pp. 460-467