Z. Zulfanita, R. E. Mudawaroch, and J. M. W. Wibawanti, “Analysis of Decision Process to Buy Free-Range Eggs and the Implication on Marketing Mix (A Case Study to Wholesalers and Retailers Consumers in Traditional Markets in Purworejo District)”, JAP, vol. 22, no. 1, pp. 37-43, Aug. 2020.