Lee, Jai Hak http://orcid.org/0000-0001-5604-0851
Kim, Kang Su
Funding for this research was provided by:
Ministry of SMEs and Startups (201701100014)
Korea Polytechnic University
Publication History
Received: 2020-01-03
Accepted: 2020-03-19
Published: 2020-06-01