No.	Title	Date
1	Dynamic and static analysis of Aqualectra's electrical grid
2	Un selekshon di palabra i ekspreshon (Di dos tomo)
3	Week-end di estudio : organisa pa Fundashon pa promove i propagá identidad propio i solidarismo antiyano, Hotel "Holiday Inn Curaȧo", 25, 26 i 27 di april 1969