الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d788245def832e122debca8b281295e2Testhttp://www.sciencedirect.com/science/article/pii/S2214751919300556Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac04b487f7c666ca887dd82cdcabba5fTesthttps://doi.org/10.1016/j.inat.2016.11.004Test