Phillips - Thoughts for the Soul - New paperback or softback - 87 - X555z

Phillips - Differential Equations - New paperback or softback - 59 - X555z

El Attar - Ordinary Differential Equations - New paperback or softback - X555z

Gammoh - Relationship Equations - New paperback or softback - X555z

Johnson - No. 9 Differential Equations - New paperback or softback - 1 - X555z

Mathews - Algebraic Equations - New paperback or softback - 49 - X555z

Prasad - Place Of Partial Differential Equations - New paperback or so - X555z

B. Phillips - Differential equations - New paperback or softback - 89 - X555z