Pengaruh Pengaplikasian Biosaka dan Daun Gamal Terhadap Pertumbuhan Tanaman Sawi (Brassica juncea L.): The Effect of Application of Biosaka and Gamal Leaves on the Growth of Mustard Plants (Brassica juncea. L) . JES. 2025;14(1):51-65. doi:10.20956/ecosolum.v14i1.33152