NATHANIA , BENITA, 		SUKEWIJAYA , I MADE , AND 		SUTARI , NI WAYAN SRI .
" Pengaruh Aplikasi Biourin Gajah terhadap Pertumbuhan dan Hasil Tanaman Sawi Hijau (Brassica juncea L.)" <em>Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)</em> [Online], (30 July 2012)