1
Han, Su-hyeon, 539.9-H233kk
| Green Technology Center |
2020
539.9-H233kk,
2
Um Chang-Ok, 911.059-U48bb
| The commenmorative association of the national Debt redmeption movement |
1990
911.059-U48bb,
3
Kim Eungho, 539.2-K49mm
| Republic of Korea ministry of environment |
539.2-K49mm,
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