Muʾtamar at-Tanmiya as-Siyāḥīya wa-'l-Ḥifāẓ ʿala 'l-Bīʾa wa-Istiẖdāmāt aṭ-Ṭāqa al-Ǧadīda wa-'l-Muǧaddida (1987 : al-Qāhira)