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1كتاب إلكتروني
المؤلفون: Sonkar, GopalAff6
المساهمون: Papathanassopoulos, Stylianos, Series EditorAff1, Salgado, Susana, Series EditorAff2, Singh, Pardeep, editorAff3, Ao, Bendangwapang, editorAff4, Medhavi, Dr, editorAff5
المصدر: Environmental Activism and Global Media : Perspective from the Past, Present and Future. :19-58
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2كتاب إلكتروني
المؤلفون: Sonkar, GopalAff4
المساهمون: Srivastava, Neha, Series EditorAff1, Mishra, P. K., Series EditorAff2, Singh, Pardeep, editorAff3
المصدر: Emerging Trends and Techniques in Biofuel Production from Agricultural Waste. :241-272
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3كتاب إلكتروني
المؤلفون: Sonkar, GopalAff6
المساهمون: Himiyama, Yukio, Series EditorAff1, Anand, Subhash, Series EditorAff2, Aff4, Dubey, Anupama, editorAff3, Bagade, Basavaraj, editorAff5
المصدر: Promoting Sustainability Through Water Management and Climate Change Adaptation. :221-227