wholesale trade (1) well (1) transportation (1) services (1) resource (1) research (1) representation (1) primary sector (1) need (1) model (1) measuring (1) marketing (1) management (1) literature (1) interest (1) analysis (1) environment (1) agriculture (1) line (1) point (1) subject (1) business (1) survival (1) Development (1) Reliability (1) Context (1) Marketing (1) Claims (1) Article (1) Area (1)