Sadikin, A.H., Moenadjat, Y. and Hardiany, N.S. 2019. ELISA method to detect ABO blood group in external secretion fluids. Acta Biochimica Indonesiana. 2, 1 (Jun. 2019), 32-38. DOI:https://doi.org/10.32889/actabioina.v2i1.33.