الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d6f3f07443c54decf6bff32a4c0bd25Testhttps://doi.org/10.1016/j.parkreldis.2018.11.009Test
الإتاحة: https://doi.org/10.1016/j.parkreldis.2018.11.009Testhttp://hdl.handle.net/11573/1209195Test