7 1 10 PRAYUGO, Surip [ed.] Additional Author SIREGAR, Firmansyah D. Additional Author SOBIR Primary Author mixed material 9790024169 Jakarta Penebar Swadaya 2010 PRAYUGO, Surip [ed.] Additional Author PARDAMEAN, Maruli Primary Author mixed material 9789790024823 Jakarta Penebar Swadaya 2011 PRAYUGO, Surip [ed.] Additional Author DAMI OIL PALM RESEARCH STATION [illust.] Additional Author PAHAN, Iyung Primary Author mixed material 979489995X Jakarta Penebar Swadaya 2006 PRAYUGO, Surip [ed.] Additional Author RATNASARI, Juwita Primary Author mixed material Jakarta Penebar Swadaya 2007 PRAYUGO, Surip [ed.] Additional Author HERLIANA, Ersi Additional Author SA'DIYAH, Chalimatus Primary Author mixed material 9790023650 Jakarta Penebar Swadaya 2009 PRAYUGO, Surip [ed.] Additional Author SETIAWAN, Budi Susilo Primary Author mixed material 9789790024144 Jakarta Penebar Swadaya 2010 PRAYUGO, Surip [ed.] Additional Author SARAGIH, Sabastian Eliyas Primary Author mixed material 9790022395 Depok Penebar Swadaya 2008