“Characteristics of putu ayu a combination of wheat flour and soybeans flour (Glycine max) with the addition of katuk leaves (Sauropus androgynus (L) Merr.) : Karakteristik putu ayu kombinasi tepung terigu dan tepung kedelai (Glycine max) dengan penambahan daun katuk (Sauropus androgynus (L) Merr.)” (2025) AgroBio Science Journal, 2(1), pp. 27–35. Available at: https://ejurnal.unisri.ac.id/index.php/Agro/article/view/9833 (Accessed: 7 October 2026).