Ascalone, E., and P. F. Fabbri, (2022). "Demographic considerations regarding the settlement and necropolis of Shahr i Sokhta", in: E. Ascalone and S.M.S. Sajjadi (eds.), Excavations and Researches at Shahr-i Sokhta 2 (= ERSS 2), Pishin Pajouh, Tehran, p. 539: "The settlement of Shahr-i Sokhta was once believed to have occupied an area of about 151 hectares (Piperno – Tosi 1975), although this estimate has risen to 200 hectares on the basis of the ongoing research (Sajjadi 2014a)."
Ascalone, E., and P. F. Fabbri, (2022). "Demographic considerations regarding the settlement and necropolis of Shahr i Sokhta", in: E. Ascalone and S.M.S. Sajjadi (eds.), Excavations and Researches at Shahr-i Sokhta 2 (= ERSS 2), Pishin Pajouh, Tehran, p. 539: "Considering only the maximum built area, i.e. 120 hectares (Biscione et al. 1977)..."
Jarrige, J.-F., A. Didier, and G. Quivron, (2011). "Shahr-i Sokhta and the Chronology of the Indo-Iranian Borderlands", in Paléorient 37 (2), p. 17: "...We agree with the links, which we ourselves often observed, between Shahr-i Sokhta I, II and III and Mundigak III and IV and between the sites of Balochistan and the Indus valley at the end of the 4th millennium and in the first half of the 3rd millennium BC..."
Genito, Bruno, (5 April 2012), "Excavations in Sistān", in Callieri, Pierfrancesco, and Bruno Genito, Italian Excavations in Iran, Encyclopaedia Iranica.