Abeysekara, T., & Sēnānāyaka, P. (1974). Economics of vegetable production and marketing: A case study of 4 villages in Palugama (Welimada). Agrarian Research and Training Institute.
Dyfyniad Arddull ChicagoAbeysekara, Terrence, and Piyadāsa Sēnānāyaka. Economics of Vegetable Production and Marketing: A Case Study of 4 Villages in Palugama (Welimada). Colombo: Agrarian Research and Training Institute, 1974.
Dyfyniad MLAAbeysekara, Terrence, and Piyadāsa Sēnānāyaka. Economics of Vegetable Production and Marketing: A Case Study of 4 Villages in Palugama (Welimada). Agrarian Research and Training Institute, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.