Pathirana,I.
Kitul karmantaye vartamana tatvaya ha vibavata pilibanda adyanaya - Colombo HARTI 2014 - xii, 93 pages.- - Research report; 59 .
9789556121773
630 / HEC
Kitul karmantaye vartamana tatvaya ha vibavata pilibanda adyanaya - Colombo HARTI 2014 - xii, 93 pages.- - Research report; 59 .
9789556121773
630 / HEC