Sujianto, Sujianto. “PENERAPAN STRATEGI STP (SEGMENTING, TARGETING, POSITIONING)”. Industri Inovatif : Jurnal Teknik Industri 1, no. 1 (Februari 25, 2011): 39-46. Diakses Mei 19, 2024. https://ejournal.itn.ac.id/index.php/industri/article/view/1481.