Introductory Chinese : listening comprehension

Introductory Chinese : listening and speaking

Introductory Chinese : reading comprehension

Introductory chinese : chinese character workbook

Modern Chinese : beginner`s course : listening. Volume 1

Modern Chinese : beginner`s course : listening. Volume 2

Introductory oceanography.

Introductory oceanography. /

Introductory algebra . /

Introductory electronics /

Introductory economics. /

Everyday Chinese : readings in classical Chinese /

Introductory college physics /

Introductory structural analysis /

Introductory statistical analysis /

Introductory transport phenomena /

Introductory physical science /

Introductory computational physics /

Introductory college physics /

Chinese for beginners