Pengaruh timbal balik lahan pada fenomena urban sprawl di kawasan Jakarta-Bogor-Depok-Tangerang-Bekasi-Karawang-Purwakarta = The effect of land's net returns on urban sprawl phenomena in Jakarta-Bogor-Depok-Tangerang- Bekasi-Karawang-Purwakarta's area / Cut Myra Sukmawati