RUEY-SHAN GUO2020-03-062020-03-062009https://scholars.lib.ntu.edu.tw/handle/123456789/472421A multi-category inter-purchase time model based on hierarchical Bayesian theoryjournal article10.1016/j.eswa.2008.08.059https://www2.scopus.com/inward/record.uri?eid=2-s2.0-58749089288&doi=10.1016%2fj.eswa.2008.08.059&partnerID=40&md5=bad0604a0d8f538ac279dc5599ee0993