Learn about types of blood donations, including whole-blood, double red blood cells, plasma and platelet donations.
Month: August 2020
Income is classified as follows in Sri Lanka: (1) income from any trade, business, profession or vocation, (2) income from employment, (3) net annual value of land and improvements occupied by or on behalf of the owner, (4) net annual value of land and improvements occupied rent-free or at rent less than the net annual value, (5 …
