Minicurso sobre web scraping com R e potenciais aplicações na coleta de preços, realizado no Semiário de Metodologia do IBGE (SMI) 2018.
https://eventos.ibge.gov.br/smi2018/minicursos
https://resources.rstudio.com/webinars/extracting-data-web-part1
https://resources.rstudio.com/webinars/extracting-data-from-the-web-part-2
https://blog.rstudio.com/2014/11/24/rvest-easy-web-scraping-with-r/
https://www.datacamp.com/community/tutorials/r-web-scraping-rvest