“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” (2025) Indonesian Journal on Health Science and Medicine, 2(1), p. 10.21070/ijhsm.v2i1.122. doi:10.21070/ijhsm.v2i1.122.