Bubphapant, Jitpisut. 2017. “Factors Influencing Consumer Purchase Intention of ‘KU Phuphan Black-Bone Chicken Product’ in Sakon Nakhon Province, Thailand : A Study Based on the Theory of Planned Behavior (TPB)”. International Journal of Management and Sustainability 6 (2):23-32. https://doi.org/10.18488/journal.11.2017.62.23.32.