1shuÌ"kan de wakaru joÌ"hoÌ" sekyuriti supesharisuto shuÌ"chuÌ" zemi: JoÌ"hoÌ" shori gijutsusha shiken. 2010 haru gozenhen

by YuÌ"shi Okajima Tankobon Softcover details (UK). ISBN: 978-4-532-40591-5 ISBN-10: 4-532-40591-2 ToÌ"kyoÌ" : Nihonkeizaishinbunshuppansha, 2009. · 2009