@misc{indiciae2d3a99d3f80f, title = {Problem-based education in Gezira, Sudan.}, author = {B Hamad}, year = {1985}, doi = {10.1111/j.1365-2923.1985.tb01337.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4058333/}, note = {Source identifier: 4058333} }