الوصول الحر: https://doaj.org/article/7dea4d08b8b542b8ab5badb12aede6d9Test
الوصول الحر: https://doaj.org/article/77577a4b2fe245afb0c4f020c89e25f2Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::2fccfb402901984e65268c213a2a5f55Testhttps://doi.org/10.2166/wcc.2021.450Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::944b6520b4af0647a1d5682ef446a553Testhttp://wst.iwaponline.com/content/83/5/1183Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52ac421e491a060f87e52e5875b72402Testhttps://doi.org/10.2166/wst.2016.403Test
الوصول الحر: https://doaj.org/article/7632dc6dcd1646ba8e6433d19fe127eaTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53d2870122b037ea722f9c860278db7aTesthttps://doi.org/10.2166/wst.2014.279Test
الوصول الحر: https://doaj.org/article/d85ae2fd447d4c1190daae46bbadacf6Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e42af0a44a796abd1201bcf9d68994bTesthttps://doi.org/10.2166/wst.2011.228Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::7f4841953488dbbd8c787aa9da46be87Testhttps://doi.org/10.2166/wqrj.2009.036Test