David Heckman

David Heckman is the author of "PTCB Exam Simplified Pharmacy Technician Certification Exam Study Guide", "Library of Walls", "PTCB Exam Simplified" and "Guthrie".

Books by David Heckman

PTCB Exam Simplif...
Heckman, David
Paperback: $56.95

ExCPT Exam Simpli...
Heckman, David
Paperback: $56.95

Guthrie
Heckman, David
Paperback: $16.99

RxBlitz
Heckman, David
Paperback: $49.99