ISWANDI, I. PENGARUH PERENDAMAN TERHADAP KADAR KAFEIN PADA BIJI KOPI DI KOTA SURAKARTA SECARA SPEKTROFOTOMETRI UV-VIS. PHARMACON, [S. l.], v. 11, n. 2, p. 1512–1516, 2022. DOI: 10.35799/pha.11.2022.41744. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/pharmacon/article/view/41744. Acesso em: 1 may. 2024.