Heady, Earl O.
Agricultural production functions
Iowa State University Press, 1969
 Buku Teks
Muhammad Ashraf, editor
Crop production for agricultural improvement
[, Springer], 2012
 eBooks
Heady, Earl O.
Economics of agricultural production and resource use
Prentice-Hall, 1952
 Buku Teks
Advances in industrial and production engineering: select proceedings of FLAME 2018
Kripa Shanker, Ravi Shankar, Rahul Sindhwani, editors
Springer Nature, 2019
 eBooks
Bayu Aji Prakosa
Analisis Pengaruh Subsidi Pupuk Terhadap Nilai Tukar Petani di Indonesia = Analysis Of The Effect Of Fertilizer Subsidies On Farmer's Exchange Rates In Indonesia
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
 UI - Skripsi Membership