APA-čujuhus (7. p.)

MEHRA VANDANA. (1992). INSTRUCTIONAL SYSTEMS DESIGN: AN INNOVATION IN EDUCATIONAL TECHNOLOGY. S.S.PUB.

Chicago-čujuhus (17. p.)

MEHRA VANDANA. INSTRUCTIONAL SYSTEMS DESIGN: AN INNOVATION IN EDUCATIONAL TECHNOLOGY. DELHI: S.S.PUB, 1992.

MLA-čujuhus (9. p.)

MEHRA VANDANA. INSTRUCTIONAL SYSTEMS DESIGN: AN INNOVATION IN EDUCATIONAL TECHNOLOGY. S.S.PUB, 1992.

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