Economics research report /

no.2 1967; no.3 1967; no.1-10 1967-1969; no.8 1969; no.10 1969; no.11 1970; no.12 1970; no.13 1970; no.11-22 1970-1972; no.23-31 1973-1974; no.32-39 1975-1977; no.40-43 1979-1981; no.44-53 1983-1988; no.54 1989; v.11-20(1970-1972); v.21-25(1972-1973); v.26-31(1974); v.47-49(1985); v.50-54(1985-1989); no.1-10; no.4; no.5; no.7; no.12-20; no.21-30; no.23; no.24; no.25; no.26; no.27; no.28; no.29; no.30; no.31; no.32; no.34; no.35; no.36; no.37; no.38; no.39; no.40; no.41; no.42; no.43; no.44; no.45; no.46; no.47; no.48; no.49; no.50; no.51; no.52; no.53