Hariyadi, S., 		Suratno, S., 		Wahono, B., 		Subiantoro, A., & 		Permatasari, A.
(2023).
 Media Design "Detector Marker" based on STEM with Dragon Fruit Peel Extract for Detectionof Formaldehyde Additives at School in Agroecosystem Zone.
<em>BIOEDUKASI, 21</em>(2), 132-137.
doi:10.19184/bioedu.v21i2.40076