Putra Bungsu, I.M. et al. 2021. PENGARUH PENAMBAHAN SERBUK JAHE MERAH (Zingiber officinale Var. Rubrum) TERHADAP TEH HASIL KEMPAAN DAUN GAMBIR (Uncaria gambir Roxb). Jurnal Research Ilmu Pertanian. 1, 2 (Jul. 2021), 110–119. DOI:https://doi.org/10.31933/rt1fqy47.