Batlajery S, Alfons ME. Implementation of Product Model, Price, Place, Promotion in Improving Noken Sales (OAP). IJSSB [Internet]. 2021 Mar. 15 [cited 2024 Dec. 26];5(1):149-54. Available from: https://ejournal.undiksha.ac.id/index.php/IJSSB/article/view/29268