Daur ulang kertas bekas

Perlindungan Hukum terhadap Pembeli Telepon Seluler Bekas: Studi Kasus pada Ponsel Merek Samsung yang Terkunci karena Masih dalam Status Menunggak Cicilan di Indonesia = Legal Protection for Buyers of Second-Hand Mobile Phones: A Case Study of Samsung Mobile Phones Locked Due to Unpaid Installments in Indonesia

Analysis of packaging recycle campaign towards brand attitude among beauty brands = Analisis kampanye daur ulang kemasan terhadap sikap merek di antara merek kecantikan

Analisis sistem ekonomi daur ulang kapal dengan menggunakan metode penjual jasa dan borongan = Analysis economic system of ship recycle using method as service seller and wholesale

Heavy metal characterization of waste portable rechargeable batteries used in mobile phones