Retnaningrum, Y.R. et al. 2025. Efikasi Zingiber Officinale (Ekstrak Jahe) + Ranitidin Vs Ranitidin + Plasebo Terhadap Simtom Gastrointestinal Pada Dispepsia Fungsional . Jurnal Pendidikan Indonesia. 6, 12 (Dec. 2025), 5284–5296. DOI:https://doi.org/10.59141/japendi.v6i12.8835.