@misc{indiciaef98b9991442f, title = {A tape-based system of interactive video for computerised self-instruction.}, author = {M E Watt and A Watt}, year = {1987}, doi = {10.3109/01421598709034793}, url = {https://pubmed.ncbi.nlm.nih.gov/3316902/}, note = {Source identifier: 3316902} }