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ISSN: 2789-3456
Publisher: Puno Universidad Nacional del Altiplano
Country: Peru
URL: revistas.unap.edu.pe/jour ...
Status: Confirmed
Dates: 2012-9999
ISSN: 2239-267X
Publisher: Roma Paolo Scattoni
Country: Italy
URL: ijpp.uniroma1.it
Status: Confirmed
Dates: 2011-9999