Ecological sustainability of smallholder dairy farm with Leisa pattern

Yazar: Asminaya, N. S., Purwanto, B. P., Nahrowi, N., Ridwan, W. A., Atabany, A.
Baskı/Yayın Bilgisi 2018

Interaksi antarsuku bangsa dalam masyarakat majemuk

Yazar: Pelly, Usman, Siahaan, Herlem, Surjo, DJoko, Hitipuew, Frans, Saunsi, Saunsi, Sjamsuddin, Helius, Ridwan, T.A, Rusmini, Nani, Darmono, Darmono, Dharmansyah, Sulaiman Lubis
Baskı/Yayın Bilgisi 1989