المؤلفون: Schniederjan, Patrick
URL: https://digital.library.unt.edu/ark:/67531/metadc935609Test/
المؤلفون: Zetocha, Kimberlee J
Committee Members: Tom Petros
URL: https://commons.und.edu/theses/790Test
المؤلفون: Schultz, Teresa Margaret
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487085764398325Test
المؤلفون: Lozano, Servando Ruben
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1487004971752387Test
المؤلفون: Gateman, Patricia Jane.
URL: https://era.library.ualberta.ca/items/642798e5-d478-401e-8939-54959d75afbc/view/45e799c6-5573-4244-ac4b-5edf6b0a9117/MM77181.pdfTest
المؤلفون: Rubin, Jeff
URL: https://era.library.ualberta.ca/items/30be61c0-3345-43c8-ab83-83ee6220eac4/view/8d95640b-70a3-48ab-a519-d293eb00c892/MK44808.pdfTest
المؤلفون: Schepis, Julie
Committee Members: Martin T. Gipson
URL: https://scholarlycommons.pacific.edu/uop_etds/2319Test