Wattimena, Anna Yuliana, Marlita Herlin Makaruku, and Martha Amba. 2023. “The Effect of Cow Manure on the Growth and Production of Lettuce (Lactuca Sativa L.)”. Agrikan Jurnal Agribisnis Perikanan 16 (2):9-15. https://doi.org/10.52046/agrikan.v16i2.1697.