Harahap RA. Effect of Promotion and Product Quality on Low Cholesterol (LCh) Egg Purchase Decision Consumers of PT. Mabar Feed Indonesia. ijcams [Internet]. 2022 Jun. 1 [cited 2025 Apr. 27];1(2):1-8. Available from: https://ijcams.sbm.or.id/index.php/ams/article/view/1