na INLIS000000000007117 0010-1021001951 Sistim surjan di lahan pasang surut NT. Sri Ratmini [s.l] Proyek Penelitian dan Pengembangan Pertanian Rawa Terpadu 1997 Br.631.62 Br.631.62 DRAINAGE SWAMP SOILS PASANG SURUT SURJAN. 6640