Production costs and returns of the investment business, planting pineapple factory of small farmers. A case study of farmers in North Huai Sai Cha am phetchaburi district. The year of the 2557 (2014) cultivation-2558 (2015)
Production costs and return on business investment to grow pineapple plant case studies of farmers, farmers Sand Creek District, Northern District, Phetchaburi Province. Crop Year 2557-2558
Cost and benefit of investment business of pineapple plantation factory of small farmers: a case study of the North District Sai Cha am In crop year 2557-2558.