APA (7th ed.) Citation

E.N. Etuk, G.K. Etuk, E. Etudor-Eyo, & J. Samuel. (2011). Constructivist Instructional Strategy and Pupils' Achievement and Attitude Towards Primary Science. University of Sofia.

Chicago Style (17th ed.) Citation

E.N. Etuk, G.K. Etuk, E. Etudor-Eyo, and J. Samuel. Constructivist Instructional Strategy and Pupils' Achievement and Attitude Towards Primary Science. University of Sofia, 2011.

MLA (9th ed.) Citation

E.N. Etuk, et al. Constructivist Instructional Strategy and Pupils' Achievement and Attitude Towards Primary Science. University of Sofia, 2011.