Ordinary differential equations : an introduction to the fundamentals /howell kenneth b著
Evaluating exceptional children : a task analysis approach /howell kenneth w著
Curriculum-based evaluation : teaching and decision making /howell kenneth w著
A skeletal development of introductory differential and integral calculus for one variable, utilizing logic, model theory and non-standard analysis /howell kenneth burch著
Curriculum-based evaluation for special and remedial education : a handbook for deciding what to teach /howell kenneth w著