Baredwan AH, Ratnasari V. Analysis of Business Strategy of PT. Z Uses QSPM and Implementation of Marketing Proposals With Marketing Mix. jrssem [Internet]. 2025 Jun. 21 [cited 2026 Oct. 9];4(11):1820-36. Available from: http://www.jrssem.publikasiindonesia.id.solusipublish.com/index.php/jrssem/article/view/882