Youssef, Z. A. (1979). An experimental study comparing effects of Biological Science Curriculum Study (BSCS) and traditional biology instruction in an Egyptian public secondary school for girls. [publisher not identified].
Chicago Style (17th ed.) CitationYoussef, Zeinab A. An Experimental Study Comparing Effects of Biological Science Curriculum Study (BSCS) and Traditional Biology Instruction in an Egyptian Public Secondary School for Girls. [Place of publication not identified]: [publisher not identified], 1979.
MLA (9th ed.) CitationYoussef, Zeinab A. An Experimental Study Comparing Effects of Biological Science Curriculum Study (BSCS) and Traditional Biology Instruction in an Egyptian Public Secondary School for Girls. [publisher not identified], 1979.
Warning: These citations may not always be 100% accurate.