الإتاحة: https://doi.org/10.1016/s0020-7292Test(12)61372-1http://api.elsevier.com/content/article/PII:S0020729212613721?httpAccept=text/xmlTesthttp://api.elsevier.com/content/article/PII:S0020729212613721?httpAccept=text/plainTest
الإتاحة: http://hdl.handle.net/10390/6425Testhttp://193.190.39.98/bitstream/10390/645/1/license.txtTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b7693f7aaceb22a6394cb6d642b9f9ffTesthttp://www.documentation.ird.fr/hor/fdi:010046188Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c57b3bc050d0909bca15cbe4efcf2ef2Testhttp://www.scopus.com/inward/record.url?eid=2-s2.0-80051754953&partnerID=MN8TOARSTest