Course Identification Numbering System (C-ID)
https://catalog.sierracollege.edu/student-resources/course-information/course-identification-numbering-system/...SOCI 110 SOC 0001 SOCI 115 SOC 0002...0210 PHIL 130 PHIL 0020 PHIL 140 PHIL...
...SOCI 110 SOC 0001 SOCI 115 SOC 0002...0210 PHIL 130 PHIL 0020 PHIL 140 PHIL...
