The phrase "a certain course in" is correct and usable in written English.
It can be used when referring to a specific subject or area of study without naming it directly.
Example: "She decided to enroll in a certain course in psychology to better understand human behavior."
Alternatives: "a specific course in" or "a particular course in".
But I also remember when people listened to the generals in 1967, and we heard a certain course of action in Southeast Asia didn't serve our interests very well".
Situations in which a member of a population P is willing to engage in a certain course of action provided that a large enough portion of P engages in some appropriate behavior are typical problems of collective action.
Furthermore, once they enroll in a certain course, they are asked about their prior knowledge and expertise level specific to that course.
We also actually enjoy these kinds of gestalts: denominating through some kind of written or spoken self-assertion, that one notion of ourselves, played out in a certain course of behavior, can be initiated or brought to an end.
I was only an auditor in certain courses, in which I learned that some prisoners were specializing in self-injury as a crude solution to their despair.
Dr. Caroline Miller, dean of academic service at the College of New Jersey, says students sometimes find that they need just an extra part-time semester to graduate because they either changed their major or did not realize that they needed to take certain courses in a sequence.
Certain courses in sociology require a selection or application process in order to gain admission.
Double-credit courses Certain courses in Yale College, including intensive language or research courses, award two course credits for a single term's work.
This may take the form of insisting that farmers attend certain courses; in some cases they are penalised if they refuse to show the supermarket their books.
Certain courses in the Departments of Mathematics, Statistics, and Computer Science may be counted as electives towards the 30-credit requirement with advance approval; however, students must complete a minimum of 24 credits in Department of Economics courses.
