Khulna, Aug 18 (UNB) – Currency notes move from hand to hand collecting dirt and bacteria that make people very uncomfortable to touch them. But, according to research by a student of Khulna University, such notes are even more harmful…
Khulna, Aug 18 (UNB) – Currency notes move from hand to hand collecting dirt and bacteria that make people very uncomfortable to touch them. But, according to research by a student of Khulna University, such notes are even more harmful…