1 |
J.S. Lee, H.W. Kim, S.D. Lee and S.M. Lee, Journal of Korea Foundry Society, 41(1) (2021) 26.
DOI
|
2 |
C.O. Chai and Y.J. Park, The Journal of Humanities and Social sciences, 8(4) (2017) 633.
|
3 |
K.H. Ha, Journal of Photo Geography (Sajin Chiri), 28(2) (2018) 43.
|
4 |
Korea National Ppuri Industry Center, "2020 Ppuri Industry White Paper", (2020).
|
5 |
Ministry of Trade, Industry and Energy.Korea National Ppuri Industry Center, "Survey on the Status of Ppuri Industry", (2017), (2018), (2019).
|
6 |
Trade, Industry and Energy, Act on The Promotion and Sophistication of Ppuri Industries (https://elaw.klri.re.kr/).
|
7 |
NICE Information Service (https://www.credit.co.kr/).
|