Pakistan. National Bureau of Curriculum and Textbooks. (1974). Agro-technical studies curriculum for classes VI-VIII. The Bureau.
Chicago-viite (17. p.)Pakistan. National Bureau of Curriculum and Textbooks. Agro-technical Studies Curriculum for Classes VI-VIII. Islamabad: The Bureau, 1974.
MLA-viite (8. p.)Pakistan. National Bureau of Curriculum and Textbooks. Agro-technical Studies Curriculum for Classes VI-VIII. The Bureau, 1974.
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