Smythies, E. (2023). Afforestation of Ravine Lands in the Etawah district, United Provinces. Forest Research Institute.
Chicago-referens (17:e uppl.)Smythies, E.A. Afforestation of Ravine Lands in the Etawah District, United Provinces. Forest Research Institute, 2023.
MLA-referens (9:e uppl.)Smythies, E.A. Afforestation of Ravine Lands in the Etawah District, United Provinces. Forest Research Institute, 2023.
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