Economics and development an introduction حسب Sicat, Gerardo P. 1935-, Corpuz, Onofre D., Encarnacion, Jose, Jr, Hooley, Richard W., Kapp, K. William, Kintanar, Agustin, Jr, Mijares, Tito A., Quintana, Emilio U., Ruprecht, Theodore K., Ruttan, Vernon W., Castro, Amado A., Sirkin, Gerald

Resource productivity estimates for five types of Philippine farms حسب Quintana, Emilio U.

Resource productivity estimates for five types of Philippine farms حسب Quintana, Emilio U.