Theories of personality

Engler, Barbara

Personality theories : an introduction

Engler, Barbara

Pricing for profit : how to command higher prices for your products and services

Furtwengler, Dale

Prescription for natural cures : a self-care guide for treating health problems with natural remedies including diet, nutrition, supplements, and other holistic methods

Balch, James F.

Ang kasaysayan : diwa at lawak