共 50 条
- [1] ENVIRONMENT AND BROILER PRODUCTION EFFICIENCY AGRICULTURAL ENGINEERING, 1969, 50 (10): : 614 - &
- [5] Technical efficiency in milk production in underdeveloped production environment of India SPRINGERPLUS, 2013, 2 : 1 - 7
- [7] CLEAN AIR CURRICULUM AS A BASE FOR CLEAN ENVIRONMENT 12TH INTERNATIONAL CONFERENCE OF EDUCATION, RESEARCH AND INNOVATION (ICERI 2019), 2019, : 2261 - 2266
- [8] PROTECTING THE ENVIRONMENT FOR A CLEAN ENVIRONMENT. Coke & Chemistry (USSR) (English translation of Koks i Khimiya), 1985, (09): : 56 - 57