Negative indefinites

Tác giả: Doris Penka;

Long term assets : exercises III

Tác giả: Larry M. Walther; Christopher J. Skousen;

American ways: An introduction to American culture

Tác giả: Maryanne Kearny Datesman, JoAnn Crandall, Edward N. Kearny;

The Art of interview skills

Tác giả: Fiona Setch;

Calculus : Early transcendentals

Tác giả: James Stewart;

The Comparative Method: Moving Beyond Qualitative and Quantitative Strategies

Tác giả: Charles C. Ragin;