*[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4335644/ Academic Achievement and Its Impact on Friend Dynamics]. Sociology of Education. 2012 Jan; 85(1): 61–80. doi: 10.1177/0038040711417014 | *[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4335644/ Academic Achievement and Its Impact on Friend Dynamics]. Sociology of Education. 2012 Jan; 85(1): 61–80. doi: 10.1177/0038040711417014 |