Peneyra, Q. P. (2014). Biogas technology: Fuelling the future of agricultural development. Agriculture.
Chicago Style (17. basım) AtıfPeneyra, Queenie P. "Biogas Technology: Fuelling the Future of Agricultural Development." Agriculture 2014.
MLA (9th ed.) AtıfPeneyra, Queenie P. "Biogas Technology: Fuelling the Future of Agricultural Development." Agriculture, 2014.
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