R. R. Ramlan, Harnelly, and L. Fitri, “DNA Extraction and PCR Optimization of Coffea arabica L. and Coffea canephora Pierre ex A. Froehner”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 10, no. SpecialIssue, pp. 53–58, Aug. 2024.