Kerala State Planning Board. (1969). Attractive policies for the fourth five year plan. Economic division.
Dyfyniad Arddull ChicagoKerala State Planning Board. Attractive Policies for the Fourth Five Year Plan. Trivandrum: Economic division, 1969.
Dyfyniad MLAKerala State Planning Board. Attractive Policies for the Fourth Five Year Plan. Economic division, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.