Turhadi, Turhadi, et al. “DNA QR Code Using Internal Transcribed Spacer 1 (ITS1) Region of Commercial Cucumber Varieties (Cucumis Sativus L.)”. Jurnal Riset Biologi Dan Aplikasinya, vol. 7, no. 1, Mar. 2025, pp. 1-7, doi:10.26740/jrba.v7n1.p1-7.