has been cited by the following article(s):
[1]
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Projections for the number of students in the Polytechnic Institute of Guarda: Application of a mathematical model
Tékhne,
2018
DOI:10.2478/tekhne-2019-0008
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[2]
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The Effect of the Dual Household Registration System on the Population Risk in China
Open Journal of Social Sciences,
2017
DOI:10.4236/jss.2017.511011
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