Sprick, R. S. (1985). Discipline in the secondary classroom: A problem-by-problem survival guide. West Nyack, N.Y.: Center for Applied Research in Education.
শিকাগো স্টাইলে সাইটেশনSprick, Randall S. Discipline in the Secondary Classroom: A Problem-by-problem Survival Guide. West Nyack, N.Y.: Center for Applied Research in Education, 1985.
এমএলএ সাইটেশনSprick, Randall S. Discipline in the Secondary Classroom: A Problem-by-problem Survival Guide. West Nyack, N.Y.: Center for Applied Research in Education, 1985.
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