00303nam a2200097Ia 4500008004100000082001300041100001700054245010500071260002100176700000800197220204s9999    xx            000 0 und d  a066bGOE  aDhingra, K C 0aChemical industries for new entrepreneurs: Market survey and project reports of profitable chemicals  aDelhibSBPc1975  aR K