Stefani Cativelli A, Pinto AL, Lascurain Sanchez ML. Patent value index: Measuring Brazilian green patents based on family size, grant, and backward citation. Iberoamerican Journal of Science Measurement and Communication [Internet]. 2020 Nov. 13 [cited 2025 Oct. 2];1(1):004. Available from: https://ijsmc.pro-metrics.org/index.php/i/article/view/2