Patterns of technological innovation text London Addison-Wesley Publishing Company 1981 ind xv, 381 hlm ilus 23 cm Devandra Sahal Bibliografi : hlm. 356-376 Teknologi 20090227024706.0 YOGYA-02090000032525 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)