panduan praktis bioritme text Jakarta Gramedia Pustaka Utama 2002 ind 125 hlm ilus 21 cm Bibliografi : hlm. 125 Ritme biologis 571.77 979-686-885-7 20090227022647.0 YOGYA-02090000016538 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)