Oshima, Harry T. (1963). "American Economic Review". The Ranis-Fei Model of Economic Development: Comment. 53 (3): 448–452. JSTOR1809172.
J. Choo, Hakchung (1971). "American Economic Review". On the Empirical Relevancy of the Rans-Fei Model of Economic Development: Comment. 61 (4): 695–703. JSTOR1811863.