@misc{indiciae2b2c50015fb9, title = {Portfolio assessment.}, author = {Margery H Davis and Gominda G Ponnamperuma}, year = {2005}, doi = {10.3138/jvme.32.3.279}, url = {https://pubmed.ncbi.nlm.nih.gov/16261482/}, note = {Source identifier: 16261482} }