4 1 10 Rustam Effendi Primary Author Slamet Syamsudin Primary Author Wilson S. Sinambela Primary Author Soemarta Primary Author mixed material 2007 Jakarta Timur Erlangga cover_medan_elektromagnetika_terapan.jpg Tri Prajawahyudo Primary Author Wilson Additional Author Pordamantra Additional Author Eti Dewi Nopembereni Additional Author mixed material 9786238596720 Yogyakarta Plantaxia 2024 cover_penyuluhan_dan_komunikasi_pertanian.jpg Wilson NadeaK Primary Author mixed material 9798482611 Bandung Sinar Baru Algensindo 2010 John Dover Wilson Primary Author mixed material Cambridge University Pres