[1] Factors Contributing to On-campus Drug use among Students: A Study of the Boys’ Hostels in the University of Peshawar

[2] The politics of market reform at a time of ethnic conflict: Sri Lanka in the jayewardene years

[3] Letter in response to the article "Enhancing immunity in viral infections, with special emphasis on COVID-19: A review" (Jayawardena et al.).

[4] h.j. zuidervaart, speculatie, wetenschap en vernuft. fysica en astronomie volgens wytze foppes dongjuma (1707-1778), instrumentmaker te leeuwarden