Sutarman, S. Respons Tanaman Jahe Merah (Zingiber Officinale) Terhadap Ekstrak Bawang Merah Dan Pupuk Hayati Trichoderma: Response of Red Ginger (Zingiber Officinale) Plant to Trichoderma Shallot Extract and Biological Fertilizer. Daun J Pertanian Kehutanan 2019, 6, 62-76.