C Flores, A., Aidasan, N. L. and C Joson, S. A. (2025) “Optimizing Protein Extraction from Cowpea (Vigna unguiculata) and Pigeon Pea (Cajanus cajan) via Central Composite Design (CCD) ”, Journal of Healthcare and Biomedical Science , 3(2), pp. 29–38. doi: 10.31098/jhbs.v3i2.3443.