Combined Use of Sewage Sludge and Plant Growth-Promoting Rhizobia Improves Germination, Biochemical Response and Yield of Ridge Gourd (<i>Luffa acutangula</i> (L.) Roxb.) under Fie... oleh Vinod Kumar, Ebrahem M. Eid, Dhafer A. Al-Bakre, Samy M. Abdallah, Ivan Širić, Željko Andabaka, Pankaj Kumar, Madhumita Goala, Bashir Adelodun, Jogendra Singh, Sonika Kumari, Archana Bachheti, Ashish Kumar Arya, Kyung-Sook Choi