Wijayanti R, Anggia M. ANALISIS KADAR KAFEIN, ANTIOKSIDAN DAN MUTU BUBUK KOPI BEBERAPA INDUSTRI KECIL MENENGAH (IKM) DI KABUPATEN TANAH DATAR [Analysis of Cafein, Antixidant and Quality Levels Coffee Powder of Some Medium Small Industries (IKM) In the Tanah Datar Regency]. JTIHP [Internet]. 2020Jan.7 [cited 2025Dec.8];25(1):1-6. Available from: http://jurnal.fp.unila.ac.id/index.php/JTHP/article/view/3196