Pengaruh Waktu Ekstraksi Gelombang Ultrasonik terhadap Kadar Flavonoid Total Ekstrak Limbah Kulit Jengkol = Effect of Ultrasonic-Assisted Extraction Time on Total Flavonoid Content of Jengkol Skin Waste

Ekstraksi Senyawa Flavonoid Limbah Kulit Durian Menggunakan Metode Gelombang Ultrasonik dengan Variasi Rasio Bahan terhadap Pelarut = Extraction of Flavonoid Compounds from Durian Peel Waste using Ultrasonic Assisted Extraction with Variation of Biomass to Solvent Ratio

Pengaruh Konsentrasi Pelarut dalam Produksi Bioinsektisida Ulat Grayak dari Limbah Mesokarpium Durian Menggunakan Metode Ultrasonic-Assisted Extraction = The Effect of Solvent Concentration in the Production of Fall Armyworm Bioinsecticide from Durian Mesocarp Waste Using Ultrasonic-Assisted Extraction Method

Identifikasi Permasalahan Infrastruktur Pengolahan Limbah, Air Bersih, dan Irigasi di Indonesia serta Penentuan Solusinya = Identification of Waste Management, Water, and Irrigation Infrastructure Problems in Indonesia and Determination of the Solution

Pengelolaan limbah cair dengan pendekatan konsep eko-efisiensi (analisis hubungan antara penerapan program cleaner production di area produksi dengan kinerja IPAL di PT XYZ) = Management of the liquid waste through approach of the eco efficiency concept (analysis of correlation between the applications of cleaner production program on production area and WWTP performance in PT XYZ