Badan Penelitian dan Pengembangan Pertanian,204 Pusat Penelitian dan Pengembangan Tanaman Pangan,197 Badan Pusat Statistik,146 International rice research institute,104 IAARD Press,96 United Nations,63 Badan Pusat Statistik, Jakarta - Indonesia,47 Asian Productivity Organization,39 Pusat Penelitian dan Pengembangan Tanaman Pangan, :38 Balai Penelitian Tanaman Kacang-kacangan dan Umbi-umbian,33 Sinergi Pustaka Indonesia,30 Balai Besar Penelitian Tanaman Padi,28 Pusat Penelitian dan Pengembangan Tanaman Pangan :23 Puslitbangtan :21 Balai Penelitian Tanaman Pangan Malang,20 IAARD Press, :20 CAB International, :20 Cab International,19 IPB Press,18 United nations publication,18