authors
- Ampadu-Boakye, Theresa
- Ronner, Esther
- Kanampiu, Fred
- Giller, K.E.
- Baars, Edward
- Vanlauwe, Bernard
- Adjei-Nsiah, Samuel
- Woldemeskel, Endalkachew
- Ebanyat, Peter
- Baijukya, Frederick
- Sanginga, Jean-Marie
- Woomer, Paul
- Chikowo, R.
- Phiphira, Lloyd
- Kantengwa, Speciose
- Leonardo, W.
- Kamai, Nkeki
- Thuijsman, E.C.
- Ettekoven, C. Schilt-van