김영하 2024-01-22T01:39:34Z 2024-01-22T01:39:34Z 2022-01-10 1986-12 https://pubs.kist.re.kr/handle/201004/147820 Recent status and prospects of plastics as new materials. 신소재로서 플라스틱의 최근동향과 전망 = Article 3 석유화학 = Petrochemical industry, pp.52 - ? 석유화학 = Petrochemical industry 52 ?