Patron of public health.
Bin P M.
Patron of public health. - Pyongyang Foreign Languages Publishing House, 1991 - 175p.
Public Health-DPR Korea
WA 100: N91P: BIN
Patron of public health. - Pyongyang Foreign Languages Publishing House, 1991 - 175p.
Public Health-DPR Korea
WA 100: N91P: BIN