@article{articlecbbeb873,
title   = {Mapping countries cooperation networks in photovoltaic technology development based on patent analysis},
author = {Paulo, Alex Fabianne de and Ribeiro, Evandro Marcos Saidel and Porto, Geciane Silveira},
year = {2018},
doi = {10.1007/s11192-018-2892-6},
journal   = {Scientometrics}
}