Sofyah, Titik, 		Tukiran, Tukiran, AND 		Sutoyo, Suyatno.
" Antioxidant of Effervescent Tablet Formulated from Combination of Secang Wood and Red Ginger Extracts" <em>Jurnal ILMU DASAR</em> [Online], Volume 23 Number 2 (28 July 2022)