Gaya APA
Haruna, Ahmad Osumanu. (2017).
Towards efficient utilization of nitrogen based fertilizers .
MALAYSIA:
Penerbit Universiti Kebangsaan Malaysia (UKM).
Gaya Chicago
Haruna, Ahmad Osumanu.
Towards efficient utilization of nitrogen based fertilizers.
MALAYSIA:
Penerbit Universiti Kebangsaan Malaysia (UKM),
2017.
E-BOOK.
Gaya MLA
Haruna, Ahmad Osumanu.
Towards efficient utilization of nitrogen based fertilizers.
MALAYSIA:
Penerbit Universiti Kebangsaan Malaysia (UKM),
2017.
E-BOOK.
Gaya Turabian
Haruna, Ahmad Osumanu.
Towards efficient utilization of nitrogen based fertilizers.
MALAYSIA:
Penerbit Universiti Kebangsaan Malaysia (UKM),
2017.
E-BOOK.