EFEKTIVITAS LAMA PERENDAMAN TELUR IKAN LELE SANGKURIANG DALAM EKSTRAK DAUN JAMBU BIJI (PSIDIUM GUAJAVA L.) TERHADAP SERANGAN JAMUR SAPROLEGNIA SP. - Effectiveness Of Immersion Length Of Sangkuriang Catfish Eggs In Guava Leaf Extract (Psidium Guajava L.) T