लेखक: Sandhya Prajapati

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2 द्वारा ईबुक Sandhya Prajapati

Arun Kumar & Sandhya Prajapati: Solar Powered Wastewater Recycling
The United Nations predicts that by the year 2025, two-thirds of the world’s population will face water scarcity. Further, the planet would have well over eight billion people, the majority of whom w …
PDF
अंग्रेज़ी
DRM
€102.38
Arun Kumar & Sandhya Prajapati: Solar Powered Wastewater Recycling
The United Nations predicts that by the year 2025, two-thirds of the world’s population will face water scarcity. Further, the planet would have well over eight billion people, the majority of whom w …
EPUB
अंग्रेज़ी
DRM
€102.93