Research Article
Comparison of External and Internal Inputs Usage Based on Enterprises Scale on Rice-cattle Integration Systems Farming
Department of Food Crop Cultivation, Agricultural Polytechnic, Tanjung Pati, 26271 Harau, Lima Puluh Kota, West Sumatra, Indonesia
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Melinda Noer
Department of Socio-economic Agriculture, Faculty of Agriculture, Andalas University, Padang, Indonesia
Nofialdi
Department of Socio-economic Agriculture, Faculty of Agriculture, Andalas University, Padang, Indonesia
Mahdi
Department of Socio-economic Agriculture, Faculty of Agriculture, Andalas University, Padang, Indonesia