Lud-ayen, Charesma Grace K. Professional conduct & ethical standards / Charesma Grace K. Lud-ayen, PhD. RCrim., Warren G. Moyao, PhD. RCrim. - Quezon City, Philippines : Wiseman's Book Trading, Inc., 2023. - iv, 81 pages ; 22 cm. Includes references. ISBN: 978-621-418-294-7 Dewey Class. No.: 170