ka nmelewa swali basi najibu ka ifuatvyo ka sjaelewa nako watakuja wengne 1.price discrimination by age 2.by gographical location 3.by sex 4.by status 5.time etc
ka nmelewa swali basi najibu ka ifuatvyo ka sjaelewa nako watakuja wengne 1.price discrimination by age 2.by gographical location 3.by sex 4.by status 5.time etc