Unknown. (2023). Progress Report of the Forest Research Institute for the year 1912-13 (Forest year). Superintendent Government Printing.
Chicago-viite (17. p.)Unknown. Progress Report of the Forest Research Institute for the Year 1912-13 (Forest Year). Superintendent Government Printing, 2023.
MLA-viite (9. p.)Unknown. Progress Report of the Forest Research Institute for the Year 1912-13 (Forest Year). Superintendent Government Printing, 2023.
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