U. J. Nasution, R. I. Astuti, A. T. Wahyudi, D. Hardianto, and E. Martius, “Modification of a Gene Cassette to Express Proglargine in Pichia pastoris: Elimination of Glu-Ala Repeats, Spacer and C-peptide Sequences”, J. Multidiscip. Appl. Nat. Sci., Mar. 2026.