S. Sujita, I. Istiatin, S. Sudarwati, and D. H. Wahyuningsih, “CUSTOMER SATISFACTION IN TERMS OF PRODUCT QUALITY, SERVICE, PROMOTION AND MARKETER COMPETENCE ON PT. TIGA SERANGKAI PUSTAKA MANDIRI SURAKARTA BRANCH”, IJEBAR, vol. 6, no. 3, pp. 2678–2685, Sep. 2022.