Mahan, L. A. (1967). The effect of problem-solving and lecture-discussion methods of teaching genral science in developing student grwoth in basic understandings, problem-solving skills, attitudes, interest, and personal adjustment. University Microfilms.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMahan, Luther Alvin. The Effect of Problem-solving and Lecture-discussion Methods of Teaching Genral Science in Developing Student Grwoth in Basic Understandings, Problem-solving Skills, Attitudes, Interest, and Personal Adjustment. [Ann Arbor, Mich: University Microfilms, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMahan, Luther Alvin. The Effect of Problem-solving and Lecture-discussion Methods of Teaching Genral Science in Developing Student Grwoth in Basic Understandings, Problem-solving Skills, Attitudes, Interest, and Personal Adjustment. University Microfilms, 1967.