Open AccessChanges in Agricultural Development and Ecological Environment in Manchuria in the 20th Century -with an emphasis on the question of Expansion of corn field
Author(s) -
jangbae Park
Publication year - 2019
Publication title -
dongbug'a munhwa yeon'gu
Language(s) - English
Resource type - Journals
eISSN - 1975-065X
pISSN - 1598-3692
DOI - 10.17949/jneac.1.61.201912.024
Subject(s) - emphasis (telecommunications) , agriculture , field (mathematics) , agricultural development , ecology , geography , engineering , biology , mathematics , telecommunications , pure mathematics