61. Work
Author: / by Sally M. Walker and Roseann Feldmann
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Work (Mechanics) Juvenile literature,Simple machines Juvenile literature
Classification :
QC73
.
8
.
W65
,
W35
2002
62. Work /
Author: by Sally M. Walker and Roseann Feldmann ; photographs by Andy King.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Work (Mechanics), Juvenile literature.,Simple machines.,Simple machines.,Work (Mechanics),Work (Mechanics)
Classification :
QC73
.
8
.
W65
W35
2002eb
