Ketika CEO Sugar Group Companies Gunawan Jusuf menerbitkan sebuah buku tahun lalu tentang air, dia melakukannya untuk mendokumentasikan kelangkaan relatif dan nilai air yang tinggi sebagai komoditas terpenting dan berharga di dunia.
Early in 2016, Gunawan Jusuf decided to publish a book about water, which he entitled “Blue Gold.” In this book, he attempted to start a frank discussion about the immense value and the relative scarcity of the most important resource on the planet. He discussed the need to conserve all ...