SISWORO, Elsje L.; HARYANTO; CITRARESMINI, Ania. USING THE N-15 METHOD TO DETERMINE N-SOIL, N-GREEN MANURE, AND N-UREA AVAILABILITY AFTER SIX SEASONS IN AN ALLEY CROPPING SYSTEM. Jurnal Ilmiah Aplikasi Isotop dan Radiasi, [S. l.], v. 2, n. 2, p. 23–34, 2013. DOI: 10.17146/jair.2006.2.2.571. Disponível em: https://ejournal.brin.go.id/jair/article/view/7755. Acesso em: 6 dec. 2025.