TY - JOUR TI - Solar energy technologies and open innovation: a study based on bibliometric and social network analysis PY - 2017 AU - Paulo, Alex Fabianne de AU - Porto, Geciane Silveira T2 - Energy Policy SN - 0301-4215 DO - 10.1016/j.enpol.2017.06.007 UR - https://doi.org/10.1016/j.enpol.2017.06.007 PP - Guildford VL - 108 SP - se SP - 228-238 ER -