المؤلفون: Clements, Melisa A. (Melisa Ann), 1980-
URL: https://era.library.ualberta.ca/items/d6576688-61ac-44a7-ae7d-89fd9470c140/view/6bf49589-3c9c-4f9a-9f67-a99920bc20dc/MR45795.pdfTest
المؤلفون: Saude, Erik Jarl
URL: https://era.library.ualberta.ca/items/4c7292bc-a6ff-499e-9b6b-1b80db929ac1/view/9caa941f-b40e-4744-a859-b8a3daf6d91f/NR29736.pdfTest
المؤلفون: Harirforoosh, Saeidreza
URL: https://era.library.ualberta.ca/items/40286bc8-0e08-446c-ba58-b3a553240247/view/6a1d9e59-935b-496b-b5bb-d9db2b3d2475/NR13982.pdfTest
المؤلفون: Low, Ann Stewart
URL: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242985Test
المؤلفون: Andrews, Frances Edrie
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486982568347124Test
المؤلفون: Scoggins, Bruce A.
URL: https://hdl.handle.net/10182/4595Test
المؤلفون: Frow, Frank R.,
URL: http://hdl.handle.net/11244/2130Test