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Sang-wŏn Pae · Nanam
230 sayfa · 2013
Forests and forestry / History / Forest management / Forest policy
Hwaryŏpsu honhyorim siŏppŏp chʻegyehwa
Sang-wŏn Pae · Kungnip Sallim Kwahagwŏn
95 sayfa · 2006
Forest ecology / Silvicultural systems / Forest regeneration