Majalah Ilmiah Universitas HKBP Nommensen Visi STT No. 1541/SK/Ditjen PPG/STT/1990 Volume 21 Nomor 1 Pebruari 2013 : The Use Of Word Webbing Technique For Vocabulary Achievement Of Husbandry English Class - Sondang Manik (Universitas HKBP Nommensen, 2013)