.S, Idris K. Potential and Possibility of Direct Use of Guano as Fertilizer in Indonesia. J. Il. Tan. Lingk. [Internet]. 1 April 2007 [dikutip 18 Mei 2024];9(1):37-3. Tersedia pada: https://jai.ipb.ac.id/index.php/jtanah/article/view/2387