Canete, Jirah Mae N. Effectiveness of motivational factors on employee retention of PPI Holding, Inc. / Jirah Mae N. Canete, Kristine Grace P. Ongcoy, Terence Gil R. Oyog - Marikina CIty: OLOPSC, c2018. - 79pages : color illustrations : 28cm Subjects--Topical Terms: Employee retention.Personnel management. LC Class. No.: HF 5549.5 C36 2018 / THE00401