Occasional study
Punjab Economic Research Institute, Lahore
by Shaheen Khan
Punjab Economic Research Institute, Lahore [1984] Occasional study , Publication no. 211
所蔵館1館
by Rauf Nazir
Punjab Economic Research Institute, Lahore 1983 Publication no. 205 , Occasional study
by Jamil A. Qureshi
Punjab Economic Research Institute, Lahore 1981 Publication no. 189 , Occasional study