Nurrenbern, Susan C., and Miles Pickering. “Concept Learning Versus Problem Solving: Is There a Difference?”. Journal of Chemical Education, vol. 64, no. 6, 1987, p. 508, https://doi.org/10.1021/ed064p508.
Nurrenbern, S. C., & Pickering, M. (1987). Concept learning versus problem solving: Is there a difference?. Journal of Chemical Education, 64(6), 508. https://doi.org/10.1021/ed064p508
Nurrenbern, Susan C., and Miles Pickering. “Concept Learning Versus Problem Solving: Is There a Difference?”. Journal of Chemical Education 64, no. 6 (1987): 508. https://doi.org/10.1021/ed064p508.
Nurrenbern SC, Pickering M. Concept learning versus problem solving: Is there a difference?. Journal of Chemical Education. 1987;64(6):508.