Willingness to Pay for PDAM`s Pipe connection: a case study in Kabupaten Tulungagung, East Java province, Indonesia

Determinants of Food Security during the COVID-19 Pandemic of Households in Tulungagung, East Java = Faktor yang mempengaruhi Ketahanan Pangan Keluarga pada masa Pandemi COVID-19 di Kabupaten Tulungagung, Jawa Timur

Kajian Perspektif Willingness to Pay (WTP) Dalam Naturalisasi Sungai Studi Kasus: DKI Jakarta = Willingness to Pay (WTP) Perspective Study in River Naturalization Case Study: DKI Jakarta

Faktor-faktor yang mempengaruhi willingness to pay (WTP) pedagang terhadap tarif retribusi pelayanan persampahan/kebersihan : studi kasus Pasar Induk Kramat Jati, Jakarta Timur = factor that influence the willingness to pay (WTP) traders to levy waste services hygiene: a case study Main Market Kramat Jati

Analisis penerimaan dan willingness to pay (WTP) pemanfaatan air daur ulang di sektor industri (studi analisis di Kawasan Industri Jababeka, Bekasi) = Analysis of industrial acceptance and its willingness to pay (WTP) for recycled wastewater (a case study of Jababeka Industrial Estate, Bekasi, Indonesia)