Nasution SY, Andini G, Prawira Y, Azzahra D. Marketing Strategy Analysis of Nano Tea Product Based on Mangosteen Peel (Gracinia Mangostana) to Promote Functional Foods Industry. IJBE [Internet]. 2019 Sep. 7 [cited 2025 Dec. 28];5(3):263. Available from: https://journal.ipb.ac.id/ijbe/article/view/25838