Production and Diagnosis of Vitamin B12 from Lactobacillus Reuteri LBIQ1 and Its Application As a Therapeutic Food Supplement: Produksi Dan Diagnosis Vitamin B12 Dari Lactobacillus Reuteri LBIQ1 Dan Aplikasinya Sebagai Suplemen Makanan Terapeutik. ijhsm 2025, 2 (1), 10.21070/ijhsm.v2i1.122. https://doi.org/10.21070/ijhsm.v2i1.122.