Sarah EM, Tumanggor W. Pengaruh Promosi Dan Harga Terhadap Keputusan Pembelian Pada PT. Wahana Chemindo Jaya Medan. Metta [Internet]. 2021 Dec. 28 [cited 2024 Dec. 23];1(3):117-25. Available from: https://jayapanguspress.penerbit.org/index.php/metta/article/view/1499