Elsayed, E.A.E.A.ElsayedARGON CHEN2020-03-022020-03-021994https://scholars.lib.ntu.edu.tw/handle/123456789/467264An economic design of x control chart using quadratic loss functionjournal article10.1080/002075494089569762-s2.0-0028406327https://www.scopus.com/inward/record.uri?eid=2-s2.0-0028406327&doi=10.1080%2f00207549408956976&partnerID=40&md5=fc9d3be797757a6eaccc6234d8c4d113