Zaim, Yahdi; Ciochon, Russell L.; Polanski, Joshua M.; Grine, Frederick E.; Bettis, E. Arthur; Rizal, Yan; Franciscus, Robert G.; Larick, Roy R.; Heizler, Matthew; Aswan, null; Eaves, K. Lindsay; Marsh, Hannah E. (2011). »New 1.5 million-year-old Homo erectus maxilla from Sangiran (Central Java, Indonesia)«. Journal of Human Evolution. 61 (4): 363–376. Bibcode:2011JHumE..61..363Z. doi:10.1016/j.jhevol.2011.04.009. ISSN1095-8606. PMID21783226.
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Pravitasari, Andrea Emma (24. september 2015). »Study on Impact of Urbanization and Rapid Urban Expansion in Java and Jabodetabek Megacity, Indonesia«. Geography, Environmental Science: 18. doi:10.14989/doctor.k19347. S2CID131526829.
Zaim, Yahdi; Ciochon, Russell L.; Polanski, Joshua M.; Grine, Frederick E.; Bettis, E. Arthur; Rizal, Yan; Franciscus, Robert G.; Larick, Roy R.; Heizler, Matthew; Aswan, null; Eaves, K. Lindsay; Marsh, Hannah E. (2011). »New 1.5 million-year-old Homo erectus maxilla from Sangiran (Central Java, Indonesia)«. Journal of Human Evolution. 61 (4): 363–376. Bibcode:2011JHumE..61..363Z. doi:10.1016/j.jhevol.2011.04.009. ISSN1095-8606. PMID21783226.
Zaim, Yahdi; Ciochon, Russell L.; Polanski, Joshua M.; Grine, Frederick E.; Bettis, E. Arthur; Rizal, Yan; Franciscus, Robert G.; Larick, Roy R.; Heizler, Matthew; Aswan, null; Eaves, K. Lindsay; Marsh, Hannah E. (2011). »New 1.5 million-year-old Homo erectus maxilla from Sangiran (Central Java, Indonesia)«. Journal of Human Evolution. 61 (4): 363–376. Bibcode:2011JHumE..61..363Z. doi:10.1016/j.jhevol.2011.04.009. ISSN1095-8606. PMID21783226.
Pravitasari, Andrea Emma (24. september 2015). »Study on Impact of Urbanization and Rapid Urban Expansion in Java and Jabodetabek Megacity, Indonesia«. Geography, Environmental Science: 18. doi:10.14989/doctor.k19347. S2CID131526829.
Zaim, Yahdi; Ciochon, Russell L.; Polanski, Joshua M.; Grine, Frederick E.; Bettis, E. Arthur; Rizal, Yan; Franciscus, Robert G.; Larick, Roy R.; Heizler, Matthew; Aswan, null; Eaves, K. Lindsay; Marsh, Hannah E. (2011). »New 1.5 million-year-old Homo erectus maxilla from Sangiran (Central Java, Indonesia)«. Journal of Human Evolution. 61 (4): 363–376. Bibcode:2011JHumE..61..363Z. doi:10.1016/j.jhevol.2011.04.009. ISSN1095-8606. PMID21783226.