Boston, R. E. (1972). How to write and use performance objectives to individualize instruction. Educational Technology Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoston, Robert E. How to Write and Use Performance Objectives to Individualize Instruction. Englewood Cliffs, N. J.: Educational Technology Publications, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBoston, Robert E. How to Write and Use Performance Objectives to Individualize Instruction. Educational Technology Publications, 1972.
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