Seminar on Instruction and Instructional Materials in Institutions of Higher Learning in Singapore Singapore, Institute of Educational Technology. Protem Committee, & Tham, S. C. (1975). Instruction and instructional materials in institutions of higher learning in Singapore: Proceedings of the seminar held in Singapore, 18-20 February 1974. s.n.].

Seminar on Instruction and Instructional Materials in Institutions of Higher Learning in Singapore Singapore, Institute of Educational Technology. Protem Committee, agus Seong Chee Tham. Instruction and Instructional Materials in Institutions of Higher Learning in Singapore: Proceedings of the Seminar Held in Singapore, 18-20 February 1974. [s.l.: s.n.], 1975.

Seminar on Instruction and Instructional Materials in Institutions of Higher Learning in Singapore Singapore, et al. Instruction and Instructional Materials in Institutions of Higher Learning in Singapore: Proceedings of the Seminar Held in Singapore, 18-20 February 1974. s.n.], 1975.