Columbia subject headings:
Economic assistance--Kenya--Mathematical models.
Economic assistance--Tanzania--Mathematical models.
Kenya--Economic policy.
Tanzania--Economic policy.
Harvard subject headings:
Economic assistance in Kenya--Mathematical models.
Economic assistance in Tanzania--Mathematical models.
Kenya--Economic policy.
Tanzania--Economic policy.
Princeton subject headings:
Economic assistance--Kenya--Mathematical models.
Economic assistance--Tanzania--Mathematical models.
Kenya--Economic policy.
Tanzania--Economic policy.