Finding solutions to social problems
Mark A. Mattaini and Bruce A. Thyer, editors.
The how and why wonder book of rocks and minerals
/Nelson W. Hyler
رسم فنی و حساب فنی
/ ترجمه علیاصغر هدایی.
آزمونهای غیرمخرب
Hull, Barry
Everyday American English dictionary
/ editor Richard A. Spears, ; Associate editor Linda Schinke - Llano; consulting editor Betty Kirkpatrick