Salmin, Salmin, Marsudi Marsudi, Hendro Sukoco, and Deka Uli Fahrodi. 2021. “Motility and Abnormality of Sheep Spermatozoa That Is Being Frozen Using Soybean Lecithin (Soybean Lecithin)”. Journal Research of Social Science, Economics, and Management 1 (5):523-31. https://doi.org/10.59141/jrssem.v1i5.91.