Erna Laia. “PENGARUH HARGA TERHADAP VOLUME PENJUALAN DI UD. CHANDRA AMANDRAYA”. Jurnal Ilmiah Mahasiswa Nias Selatan 6, no. 2 (July 31, 2023): 324-337. Accessed July 6, 2025. https://www.jurnal.uniraya.ac.id/index.php/jim/article/view/1787.