URL الوصول: https://doaj.org/article/90c02eacd70b4293b81170de8d5e33a9
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ee601a37577e1bb2ed7c7094eba6bc6http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1518-70122019000401275&tlng=pt
URL الوصول: https://doaj.org/article/dd7ed501d0d242bd9463d9b3ab662125
URL الوصول: https://doaj.org/article/72b957a842364f8d89ba71247e2a4190
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc2730c7b23cc01a9f3c053872511b5chttps://doi.org/10.23983/mv.61429