M. U. A. Tennakoon

Ellaṅgānugata văvvilata pravēś

Ellaṅgānugata văvvilata pravēśayak

2012

Viyaḷi kalāpīya parisarānu

Viyaḷi kalāpīya parisarānugata saṃvardhanayak sandahā ellaṅgāva

2005

Drought hazard and rural devel

Drought hazard and rural development

1986

Desertification in the dry zon

Desertification in the dry zone of Sri Lanka

1980