Eu acho que specialization course soa como apenas uma disciplina de especialização. Acho que Graduate Specialization é mais adequado, se você está se referindo a cursos de pós-graduação que não são mestrado ou doutorado, mas cujas disciplinas tem nível de pós-graduação.

Veja exemplos:

Graduate Specialization, Cognitive Science at Michigan State ...Interdepartmental Graduate Specialization in Cognitive Science. The interdepartmental graduate specializations in cognitive science are available as ...
www.cogsci.msu.edu/graduate.html - 15k - Cached - Similar pages

[PDF] GRADUATE SPECIALIZATION IN FOOD AND AGRICULTURAL STANDARDSFile Format: PDF/Adobe Acrobat - View as HTML
Requirements for the Graduate Specialization in Food and Agricultural Standards. The SFAS is 15 credits. The student must complete 15 credits in a program ...
www.msu.edu/~ifas/downloads/specialization.pdf - Similar pages

Graduate Specialization in Infant StudiesThe Interdepartmental Graduate Specialization in Infancy & Early Childhood. What is the IGSIEC Program? The IGSIEC specialization is an interdisciplinary ...
www.fce.msu.edu/InfantStudyEndorsement/IGSISInformation.htm - 19k -