Karuh, Tessalonika, Tinneke M. Tumbel, and Olivia F. C. Walangitan. 2022. “Pengaruh Harga Terhadap Penjualan Produk Nes-V HWI (Health Wealth International) Di Manado”. Productivity 3 (4):309-14. https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/41859.