Pratiwi, A., and A. I. Nurrohmi. “Effectiveness of Apu-Organic Liquid Fertilizer (Pistia Stratiotes L.) on Ipomoea Reptans Poir. Growth”. Jurnal Riset Biologi Dan Aplikasinya, vol. 2, no. 2, Sept. 2020, pp. 55-63, doi:10.26740/jrba.v2n2.p55-63.