R. Hardhini, S. Amir, and D. N. Setyowati, “EFFECT OF GUAVA LEAF (Psidium guajava), PAPAYA LEAF (Carica papaya) AND BETEL LEAF (Piper betle) EXTRACT ON THE ECTOPARASITE IN COMMON CARP (Cyrpinus carpio)”, JP, vol. 8, no. 1, pp. 32–39, May 2018.