na INLIS000000000012838 20240221084706 240221 | | 0010-0521012838 en 636.32/.38.003.1/SEM/s 636.32/.38.003.1/SEM/s SEMBIRING, Elianor Socioeconomic survey of farmers in membang muda outbreach project / SEMBIRING, Elianor Sungai Putih : Sub Balai Penelitian Ternak Small Ruminant CRSP, 1991 12 p.: ill.; 30 cm. SURVEYS -- ECONOMICS -- SHEEP -- FARMERS -- RUBBER CROPS SCHOLZ, Sibylle