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Ricky Rafii Ritonga, Christian Ardy, Felix Giovanni Chandra, Nicholas Geral Cendana, Egon Sius Purba. The Effect Of Promotion, Price, And Quality Of Service On Customer Satisfaction Of PT. Aseng Keto Sukses Medan. IJSTM [Internet]. 2022 Jan. 9 [cited 2026 Jan. 22];3(1):100-3. Available from: https://ijstm.inarah.co.id/index.php/ijstm/article/view/422