W.G.R.J. van der Linden.
'Know How' To solve information problems in the agricultural sector of Sri Lanka: study to identify the data collection problems at grassroots level of the agricultural sector of Sri Lanka/ English. W.G.R.J. van der Linden. - Colombo: This study performed at Ministry of Public Administration, 1992. - vii,94p.: 30cm.
338.54931 / LIN
'Know How' To solve information problems in the agricultural sector of Sri Lanka: study to identify the data collection problems at grassroots level of the agricultural sector of Sri Lanka/ English. W.G.R.J. van der Linden. - Colombo: This study performed at Ministry of Public Administration, 1992. - vii,94p.: 30cm.
338.54931 / LIN